PROGRAM PEMANTAPAN PRESTASI TINGKATAN 5 TAHUN 2017 MAJLIS PENGETUA SEKOLAH MALAYSIA (KEDAH) MODUL 1 FIZIK. Kertas 1. Satu jam lima belas minit

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1 PROGRAM PEMANTAPAN PRESTASI TINGKATAN 5 TAHUN 207 MAJLIS PENGETUA SEKOLAH MALAYSIA (KEDAH) MODUL FIZIK Kertas Satu jam lima belas minit JANGAN BUKA MODUL INI SEHINGGA DIBERITAHU. Modul ini adalah dalam dwibahasa. 2. Soalan dalam bahasa Inggeris mendahului soalan yang sepadan dalam bahasa Melayu. 3. Calon dikehendaki membaca maklumat di halaman belakang kertas peperiksaan ini. Modul ini mengandungi 28 halaman bercetak

2 The following information may be useful. The symbols have their usual meaning. Maklumat berikut mungkin berfaedah. Simbol-simbol mempunyai makna yang biasa.. v u a 9. t 2 ax D sini v u 2as 20. n sin r 3. 2 real depth s ut at 2. n = 2 apparent depth 4. Momentum = mv dalam nyata n = dalam ketara 5. F ma 22. Q = It 6. Kinetic energy / Tenaga kinetik = mv V = IR 2 7. Gravitational potential energy / 24. Power / Kuasa, P IV Tenaga keupayaan graviti = mgh 25. NS = VS NP VP 8. Elastic potential energy / 26. Efficiency / Kecekapan = Tenaga keupayaan kenyal = 2 Fx 27. g = 0 m s 2 m 9. Density / Ketumpatan, 28. c = 3.0 x 0 8 m s - V 0. Pressure / Tekanan, p h g. Pressure / Tekanan, p 2. Heat / Haba, Q mc 3. Heat / Haba, Q ml 4. F A pv = constant / pemalar T 5. E = mc 2 6. v f 7. Power, 8. Kuasa, f u v energy P time tenaga P masa IS VS IP VP x 00%

3 3 Speed, energy and momentum are Laju, tenaga dan momentum ialah A B C D Base quantity / Kuantiti asas Derived quantity / Kuantiti terbitan Scalar quantity / Kuantiti skalar Vector quantity / Kuantiti vektor 2 A student carried out an experiment to investigate relationship between force, F and acceleration, a. Which of the following variables is correct? Seorang pelajar menjalankan eksperimen untuk mengkaji hubungan antara daya, F dan pecutan, a. Pemboleh ubah yang manakah betul? Manipulated variable Pembolehubah dimanipulasi Responding variable Pembolehubah bergerak balas Constant variable Pembolehubah dimalarkan A acceleration / pecutan force / daya mass / jisim B force / daya acceleration / pecutan mass / jisim C acceleration / pecutan mass / jisim force / daya D mass / jisim force / daya acceleration / pecutan 3 An object moves with a velocity is acted by a constant force. Which graph shows the correct relationship between velocity and time? Satu objek bergerak dengan suatu halaju dikenakan dengan daya malar. Graf manakah yang menunjukkan hubungan yang betul antara halaju dengan masa? A Velocity / Halaju B Velocity / Halaju 0 Time / Masa 0 Time / Masa C Velocity / Halaju D Velocity / Halaju 0 Time / Masa 0 Time / Masa

4 4 4 Diagram shows the arrangement of two identical spheres, P and Q using two identical threads X and Y. Rajah menunjukkan susunan dua sfera yang serupa, P dan Q yang diikat menggunakan dua benang X dan Y yang serupa. Thread X / Benang X P Thread Y / Benang Y Q Diagram / Rajah What happens when sphere Q is snatched down quickly? Apakah yang berlaku apabila sfera Q disentap ke bawah dengan cepat? A B C D Thread X snaps / Benang X terputus Both thread snap / Kedua-dua benang terputus Thread Y snaps / Benang Y terputus Both threads do not snap / Kedua-dua benang tidak putus 5 Diagram 2 shows a particle of mass m moves with a constant speed, v, around a circle. Rajah 2 menunjukkan satu zarah yang berjisim m bergerak dengan laju malar, v, dalam satu bulatan. m Q O P Diagram 2 / Rajah 2 What is the change in momentum of the particle when it moves from P to Q? Apakah perubahan momentum zarah itu apabila ia bergerak dari P ke Q? A 0 B 2 mv C mv D 2mv

5 5 6 The diameter of a beaker is measured five times and the average value is calculated. What is the type of error that can be reduced by calculating the average value? Diameter sebuah bikar diukur sebanyak lima kali dan nilai purata dikira. Apakah jenis ralat yang dapat dikurangkan dengan mengira nilai purata? A B C D Systematic error / Ralat bersistem Random error / Ralat rawak Wrong assumption / Salah anggapan Zero error / Ralat sifar 7 Diagram 3 shows a pulley system consisting of three blocks P, Q and R of mass 2 kg, 3 kg and 3 kg respectively. Rajah 3 menunjukkan satu sistem takal yang mengandungi tiga blok P, Q dan R dengan jisim 2 kg, 3 kg dan 3 kg masing-masing. String / Benang Smooth surface Permukaan licin Block P / Blok P Pulley / Takal Block Q / Blok Q Block R / Blok R Diagram 3 / Rajah 3 When the weights are released, what is the acceleration of the block labelled P? Apabila pemberat dilepaskan, apakah pecutan blok yang berlabel P? A 0 m s -2 B 7.5 m s -2 C 0 m s -2 D 20 m s -2

6 8 Three forces act on a point O. Which diagram shows that the forces are in equilibrium? 6 Tiga daya bertindak pada satu titik O. Rajah manakah yang menunjukkan bahawa daya-daya itu berada dalam keadaan keseimbangan? A 6 N B 6 N O 8 N O 8 N 4 N 0 N C 6 N D 6 N O 8 N O 8 N 4 N 0 N 9 Diagram 4 shows a stone fall from a height of H. Which physical quantity decreases? Rajah 4 menunjukkan seketul batu jatuh dari ketinggian H. Kuantiti fizik yang manakah berkurang? Stone / Batu H Diagram 4 / Rajah 4 A B C D Gravitational potential energy / Tenaga keupayaan graviti Kinetic energy / Tenaga kinetik Momentum / Momentum Acceleration / Pecutan

7 7 0 Diagram 5 shows a graph of force, F, against extension of spring, x of a stretched spring. What is the elastic potential energy of the spring? Rajah 5 menunjukkan graf daya, F, melawan pemanjangan spring, x, bagi satu spring yang diregangkan. Berapakah tenaga keupayaan kenyal spring itu? F / N 0 25 Diagram 5 / Rajah 5 x / cm A B C D.25 J 2.5 J 25 J 250 J Which of the following shows the object exert the lowest pressure to the contact surface? Antara berikut yang manakah menunjukkan objek mengenakan tekanan paling rendah ke atas permukaan sentuhan? A B C D

8 2 Diagram 6 shows three types of liquids of different density. Rajah 6 menunjukkkan tiga jenis cecair yang berlainan ketumpatan. 8 Jenis cecair Oil Water Juice Type of liquid Minyak Air Jus Density 0.7 g cm -3.0 g cm g cm -3 Ketumpatan Diagram 6 / Rajah 6 Which arrangement of pressure is correct at the height of 2 cm? Susunan tekanan yang manakah betul pada ketinggian 2 cm? A B C D Oil = Water = Juice / Minyak = Air = Jus Oil > Water > Juice / Minyak >Air > Jus Juice > Water > Oil / Jus >Air > Minyak Juice > Oil > Water / Jus > Minyak > Air 3 Diagram 7 shows a manometer is connected to a gas supply. Rajah 7 menunjukkan sebuah manometer disambungkan ke bekalan gas, Gas pressure is equal to Tekanan gas adalah bersamaan dengan Diagram 7 / Rajah 7 A B C D 0 cm of Hg + atmospheric pressure / 0 cm Hg + tekanan atmosfera 4 cm of Hg + atmospheric pressure / 4 cm Hg + tekanan atmosfera Atmospheric pressure - 0 cm of Hg / Tekanan atmosfera - 0 cm Hg Atmospheric pressure - 4 cm of Hg / Tekanan atmosfera - 4 cm Hg

9 9 4 Diagram 8 shows the sign of "PLEASE STAND BEHIND THE YELLOW LINE" on the platform at railway station. Rajah 8 menunjukkan arahan "SILA BERDIRI DI BELAKANG GARISAN KUNING" pada platform di sebuah stesen keretapi. Diagram 8 / Rajah 8 Which principle is used in this situation to ensure the safety of passengers? Prinsip manakah yang digunakan di dalam situasi ini untuk memastikan keselamatan penumpang? A B C D Pascal's principle / Prinsip Pascal Bernoulli's principle / Prinsip Bernoulli Archimedes' principle / Prinsip Archimedes Principle of conservation of momentum / Prinsip keabadian momentum 5 Which of the following functions by using Pascal s principle? Manakah di antara berikut berfungsi menggunakan prinsip Pascal? A B Hydraulic jack / Jek hidraulik Vacuum cleaner / Pembersih hampagas C D Plunger / Pelocok Bunsen burner / Penunu bunsen

10 6 Diagram 9 shows the weight of a stone measured in the air and then in the water. Rajah 9 menunjukkan berat sebiji batu diukur di udara dan kemudian di dalam air. 0 0 N x N Eureka can / Tin Eureka Diagram 9 / Rajah 9 Water displaced Air tersesar The volume of water displaced is 2.5 x 0-4 m 3. What is the reading of x? Isipadu air tersesar adalah 2.5 x 0-4 m 3. Berapakah bacaan x? (The density of water / ketumpatan air = 000 kg m -3 ) A B C D 2.5 N 7.5 N 0.0 N 2.5 N 7 Diagram 0 shows a metal container, water and copper block are in thermal equilibrium. Rajah 0 menunjukkan satu bekas logam, air dan blok kuprum berada dalam keseimbangan terma. Metal container Bekas logam Copper block Blok kuprum Water Air Diagram 0 / Rajah 0 Which statement is correct? Pernyataan manakah benar? A B C Temperature of metal container is equal to temperature of copper block Suhu bekas logam adalah sama dengan suhu blok kuprum Temperature of metal container is less than temperature of copper block Suhu bekas logam adalah kurang daripada suhu blok kuprum Temperature of metal container is more than temperature of copper block Suhu bekas loagam adalah lebih besar daripada suhu blok kuprum

11 8 Diagram shows a graph of temperature, T, against time, t, for three blocks X, Y and Z. The blocks are of same mass and are heated at a same rate. Rajah menunjukkan graf suhu, T, melawan masa, t, bagi tiga bongkah X, Y dan Z. Bongkahbongkah itu mempunyai jisim yang sama dan dipanaskan pada kadar yang sama. T / o C X Y Specific heat capacity X Muatan haba tentu X = cx Z Specific heat capacity Y Muatan haba tentu Y = cy 0 t / s Specific heat capacity Z Muatan haba tentu Z = cz Diagram / Rajah Which comparison between specific heat capacity X, Y and Z is correct? Perbandingan yang manakah betul tentang muatan haba tentu bahan X, Y dan Z? A B C D cx < cy < cz cy < cz < cx cx > cy > cz cy > cz > cx 9 Diagram 2 shows a metal cylinder of mass 5 kg and specific heat capacity 400 J kg - o C - is heated with a heater of power 800 W. Rajah 2 menunjukkan satu silinder logam yang berjisim 5 kg dan muatan haba tentu 400 J kg - o C -, dipanaskan dengan pemanas yang berkuasa 800 W. Heater pemanas Thermometer Termometer Metal cylinder Silinder logam Diagram 2 / Rajah 2 What is the rise of temperature of the cylinder if the heater is switched on for minute? Berapakah kenaikan suhu silinder itu jika pemanas dihidupkan selama minit? A B C D 24 o C 20 o C 8 o C 0 o C

12 20 Diagram 3 shows a process of changing state from solid to gas. Rajah 3 menunjukkan suatu proses perubahan fasa dari pepejal kepada gas. 2 Melting/ peleburan P Boiling / pendidihan Q R Freezing / pembekuan S Condensation / kondensasi Diagram 3 / Rajah 3 Which process needs higher latent heat to be absorbed? Proses manakah yang memerlukan penyerapan haba pendam yang tinggi? A P B Q C R D S 2 Diagram 4. shows 8 cm of air column trapped in a capillary tube by 4 cm of mercury. Rajah 4. menunjukkan 8 cm udara terperangkap dalam tiub kapilari oleh 4 cm merkuri. (Atmospheric pressure /Tekanan atmosfera = 76 cm Hg) 4 cm 8 cm Mercury Merkuri Air / Udara L Air / Udara 4 cm Mercury Merkuri Diagram 4. / Rajah 4. Diagram 4.2 / Rajah 4.2 If the glass tube is inverted in Diagram 4.2, what is the length, L, of the air column trapped in the capillary tube? Jika tiub kaca diterbalikkan dalam Rajah 4.2, apakah panjang turus udara terperangkap, L, dalam tiub kapilari itu? A 6 cm B 8 cm C 20 cm D 22 cm

13 3 22 Diagram 5 shows a plane mirror placed at a distance of 350 cm in front of a student. An eye test chart is placed at 70 cm behind the student. Rajah 5 menunjukkan sebuah cermin satah yang diletakkan pada jarak 350 m di hadapan seorang pelajar. Satu carta ujian mata diletakkan pada 70 cm di belakang pelajar itu. Mirror Cermin 70 cm Eye test chart Carta ujian mata 350 cm Diagram 5 / Rajah 5 What is the distance between the image of eye test chart and the student? Apakah jarak di antara imej carta ujian mata dan pelajar itu? A 350 cm B 420 cm C 700 cm D 770 cm 23 Diagram 6 shows a pedal of a boat partially submerged in water. Rajah 6 menunjukkan sebatang pendayung sampan terendam sebahagiannya dalam air. Diagram 6 / Rajah 6 Which phenomenon explains the observation? Fenomena manakah menerangkan pemerhatian di atas? A B C Reflection and refraction Pantulan dan pembiasan Reflection and total internal reflection Pantulan dan pantulan dalam penuh Refraction and total internal reflection Pembiasan dan pantulan dalam penuh

14 4 24 Diagram 7 shows a light ray incident on one side of a beaker of water, producing an angle of refraction of 35 o in water. The water in the beaker has a refractive index of.34. Rajah 7 menunjukkan satu sinar cahaya ditujukan ke atas sisi bikar yang berisi air, menghasilkan sudut biasan 35 o di dalam air tersebut. Air di dalam bikar mempunyai indeks biasan o Diagram 7 / Rajah 7 Water Which diagram shows the correct path of light ray when passing through the beaker of water? Rajah manakah menunjukkan lintasan sinar cahaya yang betul apabila melalui bikar berisi air itu? A 35 o B 35 o Water Water C 35 o D 35 o Water Water 25 Diagram 8 shows the image, I, formed by a concave lens. Rajah 8 menunjukkan imej, I, yang dibentukkan oleh sebuah kanta cekung. Object Objek I A B C D Diagram 8 / Rajah 8 Which point, A, B, C or D is the focal point of the lens? Antara titik, A, B, C dan D, yang manakah adalah titik fokus kanta itu.

15 5 26 Diagram 9 shows a telescope made by a student using two cardboard tubes and two convex lenses of focal lengths 5 cm and 50 cm. The two tubes are adjusted until a sharp image of a distant object is observed. Rajah 9 menunjukkan sebuah teleskop yang dibuat oleh seorang pelajar menggunakan dua tiub kadbod dan dua kanta dengan panjang fokus 5 cm dan 50 cm. Tiub kadbod itu dilaraskan sehingga imej tajam bagi objek jauh diperhatikan. Cardboard tubes / Tiub kadbod Rays from distant object Sinar dari objek jauh Lens P Kanta P Diagram 9 / Rajah 9 Lens Q Kanta Q Which arrangement is the most suitable for a telescope? Susunan manakah yang paling sesuai untuk sebuah teleskop? Focal length of lens P Focal length of lens Q Distance between P and Q Panjang fokus kanta P Panjang fokus kanta Q Jarak di antara P dan Q A 5 cm 50 cm 45 cm B 5 cm 50 cm 55 cm C 50 cm 5 cm 45 cm D 50 cm 5 cm 55 cm 27 Diagram 20 shows a cork floating on water surface at point P. A water wave with frequency 2 Hz propagates through the cork. Rajah 20 menunjukkan sebuah gabus terapung di atas permukaan air pada titik P. Gelombang air dengan frekuensi 2 Hz merambat melalui gabus itu. P R S Q Direction of propagation of waves Arah perambatan gelombang What is the position of the cork after 0.5 s? Diagram 20 / Rajah 20 Di manakah kedudukan gabus itu selepas 0.5 s? A B C D P Q R S

16 6 28 Diagram 2 shows water wave propagating at an angle of 45 to boundary XY in a ripple tank. Rajah 2 menunjukkan gelombang air merambat pada sudut 45 ke sempadan XY di dalam sebuah tangki riak. X Deep water region Kawasan air dalam Shallow water region Kawasan air cetek Y Diagram 2 / Rajah 2 Which wave pattern is observed after the wave crosses boundary XY? Corak gelombang manakah yang dilihat selepas gelombang melintasi sempadan XY? A X B X C X Y D X Y Y Y 29 Diagram 22 shows a boy shouting and hearing an echo from each of the wall. The time interval between the two echoes is s. [Velocity of sound = 330 m s - ] Rajah 22 menunjukkan seorang budak lelaki menjerit dan mendengar gema dari kedua-dua belah dinding. Sela masa antara dua gema itu ialah s. [Halaju bunyi = 330 m s - ] Wall A Dinding A 330 m d Wall B Dinding B Diagram 22 / Rajah 22 What is the distance between the boy and wall B? Berapakah jarak antara budak lelaki itu dengan dinding B? A B C D 248 m 350 m 495 m 990 m

17 30 Diagram 23 shows water waves moving towards an barrier with an opening. 7 Rajah 23 menunjukkan gelombang air sedang merambat menuju sebuah benteng dengan satu bukaan.. P Barrier Benteng Q Diagram 23 / Rajah 23 Which wave pattern represents the wave from P to Q? Corak gelombang manakah mewakili gelombang tersebut dari P ke Q? A B P Q P Q C D Q P P Q 3 Diagram 24 shows the resistance-temperature graph for superconductor material. Rajah 24 menunjukkan graf rintangan-masa untuk suatu bahan superkonduktor. Resistance / Ω Rintangan / Ω P Temperature / K Suhu / K Diagram 24 /Rajah 24 What is the name of point P? Apakah nama titik P? A Absolute temperature B Basic temperature Suhu mutlak Suhu asas C Critical temperature D Virtual temperature Suhu genting Suhu maya

18 8 32 Diagram 25. shows an apparatus set-up of Young s double slit experiment. Diagram 25.2 shows the interference pattern produced on the screen by three different monochromatic light sources X, Y and Z. Rajah 25. menunjukkan satu susunan radas eksperimen dwicelah Young. Rajah 25.2 menunjukkan corak interferens yang dihasilkan oleh tiga sumber cahaya monokromatik berbeza X, Y dan Z. Monochromatic light Cahaya monokromatik Single-slit slide Slaid satu celah Double-slit slide Slaid dwicelah White screen Skrin putih Diagram 25. / Rajah 25. X Y Z Diagram 25.2 / Rajah 25.2 What are the colours of X, Y and Z? Apakah warna X, Y dan Z? X Y Z A Green / Hijau Red / Merah Yellow / Kuning B Red / Merah Blue / Biru Yellow / Kuning C Red / Merah Yellow / Kuning Blue / Biru D Blue / Biru Yellow / Kuning Red / Merah 33 What is the common characteristic between gamma-ray, microwaves waves, and infrared? Apakah ciri umum bagi sinar gamma, gelombang mikro dan inframerah? A amplitude/ amplitud B frequency/ frekuensi C speed/ laju D wavelength/ panjang gelombang

19 34 Diagram 26 shows a candle flame is placed in an electric field. Rajah 26 menunjukkan sebatang lilin diletakkan dalam satu medan elektrik. 9 Candle / Lilin + - Diagram 26 /Rajah 26 The observation of the shape of the flame is due to Pemerhatian bentuk api adalah kerana A B C D the number of negative ions is greater than the number of positive ions. bilangan ion negatif lebih banyak daripada bilangan ion positif. the number of positive ions is greater than the number of negative ions. bilangan ion positif lebih banyak daripada bilangan ion negatif. negative ions is heavier than the positive ions. ion negatif lebih berat daripada ion positif. positive ions is heavier than the negative ions. ion positif lebih berat daripada ion negatif 35 Why is a fuse used in an electrical appliance? Mengapakah fius digunakan dalam peralatan elektrik? A B C D To earth the appliance. Untuk membumikan peralatan To protect the appliance and its cable. Untuk melindungi peralatan dan kabel. To change the efficiency of the appliance. Untuk mengubah kecekapan peralatan. To change the current rating of the appliance. Untuk mengubah kadar arus peralatan.

20 36 Diagram 27 shows four resistors connected with 2 V battery. Rajah 27 menunjukkan empat perintang yang disambungkan dengan bateri 2 V. 20 Diagram 27 / Rajah 27 What is the reading of the ammeter in the circuit above when the switch is closed? Berapakah bacaan ammeter dalam litar apabila suis ditutup? A B C D.2 A 2.4 A 3.0 A 6.0 A 37 Diagram 28 shows a graph of potential difference, V, against current, I, of a battery. Rajah 28 menunjukkan graf beza keupayaan, V, melawan arus, I, sebuah bateri. Which of the following is not true? Manakah yang berikut tidak benar? Diagram 28 / Rajah 28 A B C D E.m.f of the battery is.5 V D.g.e bateri adalah.5 V The external resistance is.5 Ω Rintangan luar adalah.5 Ω The internal resistance of the battery is.67 Ω Rintangan dalam bateri adalah.67 Ω As the potential difference 0.9 V supplied, current flow is 0.6 A Jika dibekalkan 0.9 V beza keupayaan, arus yang mengalir adalah 0.6 A

21 2 38 Diagram 29 shows the apparatus set up by a student in order to make a relay. Rajah 29 menunjukkan radas yang disediakan oleh seorang murid untuk membina sebuah geganti. Contact / Sesentuh Core / Teras Spring / Spring Diagram 29 / Rajah 29 Which metal should be used to make the core? Logam yang manakah patut digunakan untuk dijadikan teras? A Aluminium / Aluminium B Copper / Kuprum C Soft iron / Besi lembut D Steel / Keluli 39 Diagram 30 shows a bar magnet moving towards a solenoid. Rajah 30 menunjukkan magnet bar digerakkan ke arah solenoid. Magnet bar / Bar magnet Galvanometer / Galvanometer Diagram 30 / Rajah 30 Which of these actions will not increase the deflection of the galvanometer pointer? Tindakan manakah yang tidak akan menambah pesongan jarum galvanometer? A B C D Reversing the polarity of the magnet Menyongsangkan kekutuban magnet. Increasing the number of coils of solenoid Menambahkan bilangan lilitan gegelung Increasing the speed of the magnet bar Menambahkan laju bar magnet Increasing the number of magnets Menambahkan bilangan magnet

22 22 40 Diagram 3 shows a current-carrying wire between the poles of a pair of permanent magnets. What is the direction of the force on the wire? Rajah 3 menunjukkan seutas dawai yang membawa arus di antara kutub-kutub sepasang magnet kekal. Apakah arah daya pada dawai itu? A Wire / Dawai D B Current / Arus C Diagram 3 / Rajah 3 4 Diagram 32 shows a simple transformer. The bulb does not light up. Rajah 32 menunjukkan sebuah transformer ringkas. Mentol itu tidak menyala. Primary coil Gegelung primer 6 V battery Bateri 6 V Secondary coil Gegelung sekunder Which step will cause the bulb to light up? Diagram 32 / Rajah 32 Langkah yang manakah akan menyalakan mentol itu? A B C D Increase the number of turns of the secondary coil Menambahkan bilangan lilitan bagi gegelung sekunder Decrease the number of turns of the primary coil Mengurangkan bilangan lilitan bagi gegelung primer Replace the 6 V battery with a 9 V battery Menggantikan bateri 6 V dengan bateri 9 V Replace the 6 V battery with a 6 V alternating current supply Menggantikan bateri 6 V dengan bekalan arus ulang alik 6 V 42 A regional power station supplies power of 220 kw at a voltage of kv to a factory. The transmission cable connecting the power station to the factory has a total resistance of 50 Ω. Calculate the power received by the factory. Sebuah stesen penjana membekalkan kuasa 220 kw pada voltan kv kepada sebuah kilang. Kabel yang menyambungkan stesen kuasa kepada kilang berkenaan mempunyai rintangan 50 Ω. Hitung kuasa yang diterima oleh kilang berkenaan. A 20 kw B 200 kw C 220 kw D 240 kw

23 23 43 Diagram 33 shows a trace on the screen of a cathode ray oscilloscope. Rajah 33 menunjukkan surihan pada skrin sebuah osiloskop sinar katod. cm cm Trace Surihan Diagram 33 / Rajah 33 Which statement is correct to explain the trace produced? Penyataan manakah yang betul tentang surihan yang terhasil? A B C D Both Y-input and time base are switched off Kedua-dua input-y dan dasar masa dimatikan Y-input is connected to battery and the time base is switched off Input-Y disambungkan kepada bateri dan dasar masa dimatikan Y-input is connected to alternating current power supply and the time base is switched off Input-Y disambungkan kepada bekalan kuasa arus ulang-alik dan dasar masa dimatikan Y-input is connected to alternating current power supply and the time base is switched on Input-Y disambungkan dengan bekalan kuasa arus ulang-alik dan dasar masa dihidupkan 44 Diagram 34 shows an equivalent circuit of a logic gate. Rajah 34 menunjukkan sebuah litar setara bagi satu get logik. What is the logic gate? Apakah get logic itu? Diagram 34 / Rajah 34 A B C D AND gate / Get DAN OR gate / Get ATAU NOR gate / Get TAKATAU NAND gate / Get TAKDAN

24 24 45 Diagram 35 shows three electrical circuit with different components P, Q and R connected across terminal X and Y. Rajah 35 menunjukkan tiga litar elektrik dengan komponen P, Q dan R yang berlainan disambungkan merentasi terminal X dan Y. Bulb Bulb Bulb Mentol Mentol Mentol X P Y X Q Y X R Y Diagram 35 / Rajah 35 Table shows the condition of the bulb before and after the terminals of battery is reversed. Jadual menunjukkan keadaan mentol sebelum dan selepas terminal bateri disongsangkan. Component Komponen P Before the battery is reversed Sebelum bateri disongsangkan Does not light up Tidak menyala Condition of the bulb Keadaan mentol After the battery is reversed Selepas bateri disongsangkan Does not light up Tidak menyala Q R Does not light up Tidak menyala Lights up Menyala Table / Jadual Lights up Menyala Lights up Menyala What are the components for P, Q and R? Apakah komponen bagi P, Q dan R? P Q R A Capacitor Kapasitor Resistor Perintang Diode Diod B Diode Diod Capacitor Kapasitor Resistor Perintang C Resistor Perintang Diode Diod Capacitor Kapasitor D Capacitor Kapasitor Diode Diod Resistor Perintang

25 25 46 A light-dependent resistor (LDR) is a resistor which is sensitive to light. The resistance of the LDR is low when surrounding is bright and high in the dark. Perintang peka cahaya (PPC) ialah perintang yang peka kepada cahaya. Rintangan bagi PPC adalah rendah dalam persekitaran yang terang dan tinggi dalam keadaan gelap. Which circuit will light up the bulb at night? Litar manakah yang akan menyalakan mentol pada waktu malam? A 9 V B LDR PPC 9 V LDR PPC 0 0 C 9 V D 9 V LDR PPC LDR PPC Diagram 36 shows a nuclide notation of krypton-92. Rajah 36 menunjukkan notasi nuklid kripton Kr Which of the combination is correct? Kombinasi manakah adalah betul? Diagram 36 / Rajah 36 Number of Proton Bilangan Proton Nucleon number Nombor nukleon Number of Neutron Bilangan Neutron A B C D

26 26 48 Diagram 37 shows a series of radioactive decay. Rajah 37 menunjukkan siri pereputan radioaktif Po Pb Bi Po Pb Diagram 37 / Rajah 37 Determine the radioactive rays that are emitted in each stage of the above series of decay? Tentukan sinar radioaktif yang dipancarkan dalam setiap peringkat siri pereputan di atas? A B C D β, γ, γ, β β, α, α, β α, α, β, β α, β, β, α 49 Diagram 38 shows how the thickness of a sheet of paper is standardised. Rajah 38 menunjukkan proses bagaimana ketebalan sehelai kertas dipiawaikan. Paper Kertas Source of beta Sumber beta Roller controller Pengawal penggiling Detector Pengesan Diagram 38 / Rajah 38 Roller Penggiling This process uses beta rays because it Proses ini menggunakan pancaran beta kerana ia A B C D has a long half-life mempunyai separuh hayat yang panjang will sterilise the paper akan mensterilkan kertas itu can penetrate the paper boleh menembusi kertas itu makes the paper shiny menjadikan kertas itu bersinar

27 50 The process of nuclear fission is represented by the following equation. 27 Proses pelakuran nukleus diwakili oleh persamaan berikut. 2 H 3 + H 4 2 He + n 0 + tenaga Table 2 shows the mass in atomic mass unit a.m.u. for the radioactive elements involved. Jadual 2 menunjukkan jisim dalam unit jisim atom u.j.a. bagi elemen radioaktif yang terlibat. Radioactive element Unsur radioaktif Deuterium Tritium Helium Neutron Mass / a.m.u. Jisim / u.j.a Table 2 / Jadual 2 Based on the data given, calculate the energy released in joule. Berdasarkan data yang diberikan, hitung jumlah tenaga yang dibebaskan dalam joule. [ a.m.u./u.j.a. = kg, c = m s - ] A x 0-2 B x 0-0 C 7.55 x 0-0 D.500 x 0-9 END OF QUESTION PAPER KERTAS SOALAN TAMAT

28 . This question paper consists of 50 questions. Kertas soalan ini mengandungi 50 soalan. 2. Answer all questions. Jawab semua soalan. 28 INFORMATION FOR CANDIDATES MAKLUMAT UNTUK CALON 3. Each question is followed by either three or four options. Choose the best option for each question and blacken the correct space on the objective answer sheet. Tiap-tiap soalan diikuti oleh sama ada tiga atau empat pilihan jawapan. Pilih satu jawapan yang terbaik bagi setiap soalan dan hitamkan ruangan yang betul pada kertas jawapan objektif. 4. Blacken only one space for each question. Hitamkan satu ruangan sahaja bagi setiap soalan. 5. If you wish to change your answer, erase the blackened mark that you have made. Then blacken the space for the new answer. Sekiranya anda hendak menukar jawapan, padamkan tanda yang telah dibuat. Kemudian hitamkan jawapan yang baru. 6. The diagrams in the questions provided are not drawn to scale unless stated. Rajah yang mengiringi soalan tidak dilukis mengikut skala kecuali dinyatakan. 7. You may use a scientific calculator. Anda dibenarkan menggunakan kalkulator saintifik. 8. A list of formulae is provided on page 2. Satu senarai formula disediakan di halaman 2.

29 Nama : Tingkatan :.. PROGRAM PEMANTAPAN PRESTASI TINGKATAN 5 TAHUN 207 MAJLIS PENGETUA SEKOLAH MALAYSIA (KEDAH) MODUL FIZIK Kertas 2 Dua jam tiga puluh minit JANGAN BUKA MODUL INI SEHINGGA DIBERITAHU. Kertas soalan ini adalah dalam dwibahasa. 2. Soalan dalam bahasa Inggeris mendahului soalan yang sepadan dalam bahasa Melayu. 3. Calon dibenarkan menjawab keseluruhan atau sebahagian soalan sama ada dalam bahasa Inggeris atau bahasa Melayu. 4. Anda dibenarkan menggunakan kalkulator saintifik. 5 Anda dinasihati supaya mengambil masa 90 minit untuk menjawab soalan dalam Bahagian A, 30 minit untuk Bahagian B dan 30 minit untuk Bahagian C. Untuk Kegunaan Pemeriksa Bahagian Soalan Markah Markah Penuh Diperoleh 4 A B C Jumlah Modul ini mengandungi 24 halaman bercetak

30 The following information may be useful. The symbols have their usual meaning. Maklumat berikut mungkin berfaedah. Simbol-simbol mempunyai makna yang biasa. v u real depth a 8 n = t apparent depth 2 2 dalam nyata 2 v u 2as n = dalam ketara ut at s 2 f = u + v 4 Momentum = mv 20 Linear magnification / 5 F ma Pembesaran linear, m = v u 2 6 Kinetic energy / Tenaga kinetik = mv 2 2 v = f λ 7 Gravitational potential energy / 22 λ = ax D Tenaga keupayaan graviti = mgh 23 Q = I t 2 8 Elastic potential energy / 24 E = VQ Tenaga keupayaan kenyal = Fx 2 25 V = I R 9 energy Power, P time 26 Power / Kuasa, P = V I tenaga Kuasa, P masa 27 g = 0 m s -2 m 0 Density / Ketumpatan, 28 V NS = VS NP VP Pressure / Tekanan, P = F A 29 Efficiency / Kecekapan 2 Pressure / Tekanan, P = hρg = 3 Heat / Haba, Q mc 30 E = mc 2 IS VS IP VP x 00% 4 Heat / Haba, Q ml 3 c = m s pv = constant / pemalar 32 a.m.u. =.66 x 0-27 kg T sini n u.j.a. =.66 x 0-27 kg sin r n sin c

31 3 Section A / Bahagian A [60 marks] / [60 markah] Answer all questions in this section. Jawab semua soalan dalam bahagian ini. Diagram. shows the vernier calipers which is used to measure the thickness, d, of the book in Diagram.2. Rajah. menunjukkan angkup vernier yang digunakan untuk mengukur ketebalan, d, sebuah buku dalam Rajah.2. Diagram. / Rajah. Diagram.2 / Rajah.2 Table shows the measurement obtained. Jadual menunjukkan ukuran yang diperoleh. Quantity measured / Kuantiti diukur Thickness for 00 sheets of paper, d Ketebalan bagi 00 helai kertas, d Measurement / Ukuran 0.82 cm Table / Jadual (a) (b) What is the sensitivity of the vernier calipers? Apakah kepekaan angkup vernier itu?... [ mark / markah] Calculate the thickness of a sheet of paper. Hitung ketebalan bagi sehelai kertas. [2 marks / markah] (c) Name one measuring instrument that is more sensitive than the vernier calipers. Namakan satu alat pengukur yang lebih peka daripada angkup vernier. [ mark / markah]

32 4 2 Diagram 2 shows forces acting on a bicycle pedalled by a cyclist. The cyclist cycles with a forward force of 200 N. Rajah 2 menunjukkan daya-daya yang bertindak pada sebuah basikal yang ditunggang oleh seorang penunggang basikal. Penunggang basikal itu menunggang dengan daya ke depan 200 N. R R2 Forward force Daya ke depan Resistive force Daya rintangan (a) Name the forces, R and R2. Namakan daya-daya, R dan R2. Weight / Berat Diagram 2 / Rajah 2 [ mark / markah] (b) State the type of motion of the bicycle if the resistive force is 200 N. Nyatakan jenis gerakan basikal itu jika daya rintangan adalah 200 N. [ mark / markah] (c) State what will happen to the motion of the bicycle if the forward force increases uniformly. Nyatakan apa yang akan berlaku terhadap gerakan basikal itu jika daya ke hadapan bertambah secara sekata. [ mark / markah] (d) Why the cyclist will experience serious injury if he falls on the road with hard surface? Mengapa penunggang basikal itu akan mengalami kecederaan teruk jika dia terjatuh di atas permukaan yang keras? [2 marks / markah]

33 5 3 Diagram 3 shows a displacement-time graph for the oscillation of a spring continuously. The spring has a spring constant of 20 N cm - and is hung with a load of 50 g. Rajah 3 menunjukkan graf sesaran-masa bagi ayunan spring yang berterusan. Spring itu mempunyai pemalar spring 20 N cm - dan digantung dengan beban 50 g. Displacement / cm Sesaran / cm Time / s Masa / s Diagram 3 / Rajah 3 (a) (i) What is the meaning of amplitude? Apakah maksud amplitud? (ii)... [ mark / markah] Based on Diagram 3, what is the period of oscillation of the spring? Berdasarkan Rajah 3, berapakah tempoh ayunan bagi spring itu? (b)... [ mark / markah] If the length of the spring is doubled, Jika panjang spring menjadi dua kali ganda, (i) determine the spring constant of the combination. tentukan pemalar spring bagi gabungan tersebut. (ii) complete the following sentence by underlining the correct answer: lengkapkan ayat berikut dengan menggariskan jawapan yang betul: [ mark / markah] The frequency of the oscillation will (increase / decrease). Frekuensi ayunan akan (bertambah / berkurang). [ mark / markah] (c) On Diagram 3, sketch a graph of displacement against time for the oscillation of the spring in 3(a), if the spring is not made to oscillate continuously. Pada Rajah 3, lakarkan graf sesaran melawan masa bagi ayunan spring dalam 3(a), jika spring itu tidak diayunkan berterusan. [2 marks / markah]

34 6 4 (a) Diagram 4. shows the symbol of a transistor. Rajah 4. menunjukkan simbol bagi sebuah transistor. P R Q Diagram 4. / Rajah 4. (i) Name the type of transistor in Diagram 4.. Namakan jenis transistor di dalam Rajah [ mark / markah] (ii) What is the name of terminal P, Q and R. Write your answer in Table 4. Apakah nama terminal P, Q dan R.Tuliskan jawapan anda dalam Jadual 4. Terminal Terminal P Name Nama Q R Table 4 / Jadual 4 [2 marks / markah] (b) Diagram 4.2 shows a circuit which acts as a switch for a fire alarm system. The resistance of thermistor, T, at room temperature is 000 kω. The resistance of R2 is 00 kω. Rajah 4.2 menunjukkan satu litar yang bertindak sebagai suis bagi sebuah sistem penggera kebakaran. Rintangan termistor,t, pada suhu bilik ialah 000 kω. Rintangan R2 ialah 00 kω. Relay / Geganti T Siren siren 6 V R 240 V R2 VS Diagram 4.2 / Rajah 4.2

35 7 (i) Calculate the potential difference, Vs, at room temperature. Kira beza keupayaan, Vs, pada suhu bilik. (ii) Explain how the fire alarm system operates. Jelaskan bagaimana sistem penggera kebakaran beroperasi. [2 marks / markah] [2 marks / markah] 5 Diagram 5. shows the side view of a sailboat. Diagram 5.2 shows the top view of the sailboat when it is moving against the direction of the wind. Rajah 5. menunjukkan pandangan tepi sebuah perahu layar. Rajah 5.2 menunjukkan pandangan atas perahu layar itu apabila ia sedang bergerak menentang arah angin. F Sail Layar Q P Direction of wind Arah angin Board Papan luncur Diagram 5. / Rajah 5. Diagram 5.2 / Rajah 5.2 (a) Name the shape of the sail in Diagram 5.2. Namakan bentuk layar itu dalam Rajah 5.2. [ mark / markah]

36 (b) Observe Diagram 5.2, Perhatikan Rajah 5.2, (i) Compare the speeds of air at P and at Q. 8 Bandingkan laju udara di P dan di Q.... [ mark / markah] (ii) Compare the air pressure at P and at Q. Bandingkan tekanan udara di P dan di Q.... [ mark / markah] (iii) Relate the speed of air to the air pressure. Hubungkaitkan laju udara dengan tekanan udara.... [ mark / markah] (c) (i) Name the principle involved in 5(b)(iii). Namakan prinsip yang terlibat di 5(b)(iii). (ii)... [ mark / markah] Name one apparatus in the school laboratory which uses the principle in 5(c)(i). Namakan satu alat yang terdapat di dalam makmal sekolah yang menggunakan prinsip di 5(c)(i). (d)... [ mark / markah] If the sailboat has a wider sail; Jika perahu layar itu mempunyai layar yang lebih lebar; (i) What happens to the magnitude of force, F, acting on the sailboat in Diagram 5.2? Apakah yang akan berlaku kepada magnitud daya, F, yang bertindak pada perahu layar dalam Rajah 5.2? (ii)... [ mark / markah] Give one reason for your answer in 5(d)(i). Berikan satu sebab bagi jawapan anda di 5(d)(i).... [ mark / markah]

37 9 6 Diagram 6 shows two different nuclear reactions P and Q, which produce large amount of energy. Rajah 6 menunjukkan dua tindak balas nuklear berlainan, P dan Q, yang menghasilkan jumlah tenaga yang besar. Hydrogen-2 Barium-4 Hydrogen-2 Helium-3 Neutron Neutron Uranium-235 Krypton-92 Neutrons Nuclear reaction P Tindak balas nuklear P Nuclear reaction Q Tindak balas nuklear Q Diagram 6 / Rajah 6 Table 6 shows the total mass of the nuclides involved before and after the reactions P and Q. Jadual 6 menunjukkan jumlah jisim bagi nuklid-nuklid yang terlibat sebelum dan selepas tindak balas P dan Q Nuclear reaction Tindakbalas nuklear Total mass / atomic mass unit, u Jumlah jisim / unit jisim atom, u Energy produced / Before reaction Sebelum tindakbalas After reaction Selepas tindakbalas Tenaga dihasilkan / MeV P Q Table 6 / Jadual 6 (a) What is meant by nuclide? Apakah yang dimaksudkan dengan nuklid?... [ mark / markah] (b) Based on the information in Diagram 6 and Table 6, Berdasarkan maklumat dalam Rajah 6 dan Jadual 6, (i) Compare the energy produced by the two nuclear reactions. Bandingkan tenaga yang dihasilkan oleh kedua-dua tindak balas nuklear.... [ mark / markah]

38 0 (ii) Compare the loss of mass of nuclides after reaction for the two nuclear reactions. Bandingkan kehilangan jisim nuklid selepas tindak balas bagi kedua-dua tindakbalas nuklear itu... [ mark / markah] (iii) Relate the energy produced in the nuclear reaction to the loss of mass of nuclides. Hubungkait tenaga yang dihasilkan dalam tindak balas nuklear dengan kehilangan jisim nuklid. (c). [ mark / markah] Name the physics concept involved in 6(b)(iii). Namakan konsep fizik yang terlibat di 6(b)(iii).... [ mark / markah] (d) (i) Write the nuclear equation for the nuclear reaction P and Q. Tulis persamaan nuklear bagi tindakbalas nuklear P dan Q. (ii) Which nuclear reaction can cause a chain reaction? Tindak balas nuklear manakah boleh menyebabkan tindak balas berantai? [2 marks / markah]... [ mark / markah]

39 7 Diagram 7. and Diagram 7.2 show circuits consist of two identical bulbs arranged in two different ways. Each bulb has a resistance of 2 Ω. Rajah 7. dan Rajah 7.2 menunjukkan dua litar yang mengandungi dua mentol yang sama jenis disusun dengan dua cara yang berbeza. Setiap mentol mempunyai rintangan 2 Ω. Ammeter Ammeter + - Battery Bateri + - Switch Suis Battery Bateri + - Switch Suis + Ammeter Ammeter - Diagram 7./ Rajah 7. Diagram 7.2 / Rajah 7.2 (a) Name the circuit arrangements in Diagram 7. and Diagram 7.2. Namakan susunan litar pada Rajah 7. dan Rajah [ mark/ markah] (b) Based on Diagram 7. and Diagram 7.2, Berdasarkan Rajah 7. dan Rajah 7.2, (i) calculate the effective resistance for each circuit hitungkan rintangan berkesan bagi setiap litar. [2 marks/ markah] (ii) state the circuit which produces the highest reading of the ammeter. nyatakan litar yang menghasilkan bacaan ammeter yang tertinggi. [ mark/ markah] (c) Diagram 7.3 shows an incubator. Bulb is used to heat up the incubator.

40 2 Rajah 7.3 menunjukkan sebuah inkubator. Mentol digunakan untuk memanaskan inkubator itu. Diagram 7.3 / Rajah 7.3 The heat supplied to the incubator is not enough. Haba yang dibekalkan kepada inkubator tidak mencukupi. Based on the following aspects, suggest the modification to make it warmer and more efficient. Berdasarkan aspek berikut, cadangkan pengubahsuaian untuk menjadikannnya lebih panas dan berkesan. (i) Number of bulbs: Bilangan mentol: Reason / Sebab: (ii).. [2 marks/ markah] Arrangement of the bulbs: Susunan mentol:... Reason /Sebab:... [2 marks/ markah] (iii) Size of incubator: Saiz inkubator: Reason / Sebab:... [2 marks/ markah]

41 3 8 Diagram 8. shows an object, O is placed in front of a convex lens. Focal length of the lens is 6 cm. Rajah 8. menunjukkan satu objek, O diletakkan di hadapan suatu kanta cembung. Panjang fokus kanta ialah 6 cm. O 2F F F 2F Diagram 8. / Rajah 8. (a) What is the meaning of focal length? Apakah yang dimaksudkan dengan panjang fokus?... [ mark / markah] (b) (i) Draw the ray diagram on Diagram 8. to show how the image is formed. Lukis rajah sinar pada Rajah 8. untuk menunjukkan bagaimana imej terbentuk. [3 marks / markah] (ii) State two characteristics of the image formed in Diagram 8.. Nyatakan dua ciri imej yang terbentuk dalam Rajah 8.. (c)... [ mark / markah] Diagram 8.2 shows an astronomical telescope. Rajah 8.2 menunjukkan satu teleskop astronomi. Diagram 8.2 / Rajah 8.2

42 4 Table 8 shows four lenses that can be used to build the telescope. Jadual 8 menunjukkan empat kanta yang boleh digunakan untuk membina teleskop tersebut. Lens Kanta P Q R S Type of lens Jenis kanta Convex Cembung Convex Cembung Concave Cekung Concave Cekung Focal length, f / cm Panjang fokus, f / cm Diameter of lens Diameter kanta 00 Big / Besar 25 Big / Besar 00 Small / Kecil 25 Small / Kecil Table 8 / Jadual 8 Based on Table 8, state the suitable characteristics of the lens to be used as objective lens. Berdasarkan Jadual 8, nyatakan ciri-ciri kanta yang sesuai untuk digunakan sebagai kanta objektif. (i) Types of lens / Jenis kanta:... Reason / Sebab:... [2 marks / markah] (ii) Focal length, f / Panjang fokus, f:... Reason / Sebab:... [2 marks / markah] (iii) Diameter / Diameter:... Reason / sebab:.. [2 marks / markah] (d) Based on your answer in 8 (c), choose the most suitable lens to be used as an objective lens. Berdasarkan jawapan anda di 8 (c), pilih kanta yang paling sesuai digunakan sebagai kanta objektif.... [ mark / markah]

43 5 Section B Bahagian B [20 marks / markah] Answer any one question from this section. Jawab mana-mana satu soalan daripada bahagian ini. 9 Diagram 9.(a) and Diagram 9.(b) show two cups of coffee with same mass and same initial temperature. A metal spoon and a plastic spoon of same mass are placed in the cups of coffee respectively. The temperature of coffee decreases after several minutes. Rajah 9.(a) dan Rajah 9.(b) menunjukkan dua cawan kopi yang sama jisim dan suhu awal yang sama. Sebatang sudu logam dan sebatang sudu plastik yang sama jisim diletakkan dalam cawan kopi masing-masing. Suhu kopi berkurang selepas beberapa minit. Metal spoon Sudu logam Plastic spoon Sudu plastik Diagram 9.(a) / Rajah 9.(a) Diagram 9.(b) / Rajah 9.(b) Diagram 9.2 shows the graph of temperature against time for the spoons. Rajah 9.2 menunjukkan graf suhu melawan masa bagi kedua-dua sudu itu. Temperature / o C Suhu / o C Metal spoon Sudu logam Plastic spoon Sudu plastik (a) (b) What is the meaning of heat? Diagram 9.2 / Rajah 9.2 Apakah yang dimaksudkan dengan haba? Time / s Masa / s [ mark / markah] Observe Diagram 9.2, compare the final temperature of the spoons, time taken for spoon to become hot and the rate of change in temperature. Relate the specific heat capacity with the time taken for the spoon to become hot. Hence, relate the specific heat capacity and the rate of change in temperature of the spoons. Perhatikan Rajah 9.2, bandingkan suhu akhir sudu-sudu, masa sudu menjadi panas dan kadar perubahan suhu. Hubungkaitkan muatan haba tentu dan masa untuk sudu menjadi panas. Seterusnya, hubungkaitkan muatan haba tentu dan kadar perubahan suhu sudu. [5 marks / markah]

44 6 (c) (d) After an hour, the temperature of the coffee in Diagram 9. is equal to the temperature of the surrounding. Explain this situation. Selepas sejam suhu kopi dalam Rajah 9. adalah sama dengan suhu persekitaran. Terangkan situasi ini. [4 marks /markah] Diagram 9.3 shows a thermos flask used to keep the temperature of hot drink. Rajah 9.3 menunjukkan sebuah kelalang termos digunakan untuk mengekalkan suhu minuman panas. Stopper / Penutup Diagram 9.3 / Rajah 9.3 Space H / Ruang H Double walled tube Tiub dinding dua lapis Outer case / Sarung luar You are required to suggest and explain the suitabilities of the thermos flask in Diagram 9.3 which can keep the temperature of hot drink effectively based on the following aspects : Anda dikehendaki untuk mencadang dan menerangkan kesesuaian sebuah kelalang termos dalam Rajah 9.3 untuk mengekalkan suhu minuman panas dengan berkesan berdasarkan aspek-aspek berikut : (i) Type of stopper Jenis penutup (ii) Space H Ruang H (iii) Double walled tube Tiub dinding dua lapis (iv) Material of the outer case Bahan sarung luar [0 marks / markah]

45 7 0 Diagram 0. shows a boy playing a guitar that produces sound which can be heard by the audience. Rajah 0. menunjukkan seorang budak lelaki sedang bermain gitar yang menghasilkan bunyi yang boleh didengar oleh sekumpulan pendengar. Diagram 0. / Rajah 0. (a) (i) What type of wave is the sound wave? Apakah jenis gelombang bagi gelombang bunyi? [ mark / markah] (ii) Explain how the sound is produced by the guitar and can be heard by the human s ear. Terangkan bagaimana bunyi dihasilkan oleh gitar itu dan dapat didengar oleh telinga manusia. [4 marks / markah] (b) Diagram 0.2 shows an experiment set up to investigate the characteristics of sound wave. Rajah 0.2 menunjukkan susunan radas eksperimen untuk mengkaji ciri-ciri gelombang bunyi. Plywood / papan lapis Cardboard tube Tiub kadbod i r Cardboard tube Tiub kadbod Stopwatch / jam randik Softboard / papan lembut Observer / pemerhati Diagram 0.2 / Rajah 0.2

46 8 Diagram 0.3 and Diagram 0.4 show the position of the cardboard tubes before and after the sound wave propagates and strikes the plywood. Rajah 0.3 dan Rajah 0.4 menunjukkan kedudukan tiub kadbod sebelum dan selepas gelombang bunyi merambat dan terkena papan lapis. Plywood / Papan lapis Cardboard tube Tiub kadbod α α2 Cardboard tube Tiub kadbod Stopwatch Jam randik Ear / Telinga Diagram 0.3 / Rajah 0.3 Plywood / papan lapis Cardboard tube Tiub kadbod β β 2 Cardboard tube Tiub kadbod Stopwatch Jam randik Diagram 0.4 / Rajah 0.4 Ear / Telinga Observe Diagram 0.3 and Diagram 0.4, compare the angle α and α2, the angle β and β2, and the velocity of the sound wave before and after the sound wave strikes the plywood. State the relationship between the angle of incidence and the angle of reflection. Name the law involved. Perhatikan Rajah 0.3 dan Rajah 0.4, bandingkan sudut α dan α2, sudut β dan β2, dan halaju gelombang bunyi sebelum dan selepas terkena papan lapis. Nyatakan hubungan antara sudut tuju dan sudut pantulan. Namakan hukum yang terlibat [5 marks / markah] (c) Diagram 0.5 shows a communications satellite. It is an artificial satellite sent to space for the purpose of telecommunications. Rajah 0.5 menunjukkan sebuah satelit komunikasi. Ia merupakan sebuah satelit buatan yang dihantar ke angkasa bagi tujuan telekomunikasi.

47 9 Solar panels Panel suria Receiver / transmitter antenna Antena penerima/penghantar Originating ground station Stesen penghantar bumi Diagram 0.5 / Rajah 0.5 Destination ground station Stesen penerima bumi You are required to modify the satellite in Diagram 0.5 so that the process of receiving and transmitting of the telecommunication signals is more efficient and clearer. Anda dikehendaki untuk mengubahsuai satelit dalam Rajah 0.5 supaya proses penerimaan dan penghantaran isyarat telekomunikasi dapat dibuat dengan lebih cekap dan jelas. State and explain the modifications based on the following aspects: Nyata dan terangkan pengubahsuaian berdasarkan aspek-aspek berikut: (i) the size and the shape of the dish of the antenna saiz dan bentuk piring antena (ii) the degree of rotation of the antenna sudut putaran antena (iii) the type of waves used jenis gelombang yang digunakan (iv) the orientation of the dish of the destination ground station orientasi piring stesen penerima bumi [0 marks / markah]

48 20 Section C Bahagian C [20 marks / markah] Answer any one question from this section. Jawab mana-mana satu soalan daripada bahagian ini. Diagram. shows how a pole vault athlete of mass 65 kg jumps over a bar. J, K, L, M, N and O show a series of jumps made by the athlete. The athlete undergoes free fall starting from M. Rajah. menunjukkan bagaimana atlet lompat bergalah berjisim 65 kg melompat melepasi palang. J, K, L, M, N dan O menunjukkan satu siri lompatan yang dibuat oleh atlet itu. Atlet itu jatuh bebas bermula dari M. M L N N J K O Mattress Tilam (a) What is the meaning of free fall? Diagram./ Rajah. Apakah yang dimaksudkan dengan jatuh bebas? [ mark / markah] (b) The athlete takes 2.0 s to fall from M to O. Atlet mengambil masa 2.0 s untuk jatuh dari M ke O. (i) What is the acceleration of the athlete at stage N? Berapakah pecutan atlet pada kedudukan N? (ii) Calculate the velocity of the athlete just before he drops on the mattress. Hitungkan halaju atlet sejurus sebelum dia jatuh ke atas tilam. (iii) Calculate the kinetic energy of the pole vault athlete at stage K. Hitungkan tenaga kinetik atlet lompat bergalah pada kedudukan K. [5 marks / markah] (c) Based on Diagram., the athlete accelerates from J to K so that he can clear the bar with a greater spare. Explain this situation in terms of principle of conservation of energy. Berdasarkan Rajah., atlet itu memecut dari J ke K supaya dia boleh melepasi palang dengan ketinggian yang lebih besar. Terangkan situasi tersebut dengan menggunakan prinsip keabadian tenaga. [4 marks / markah]

49 2 (d) Diagram.2 shows the design and specifications of four different track bicycles, P, Q, R and S for track cycling competition in a velodrome. Study the specifications of all four track bicycles. Explain the suitability of each design and its specifications. Determine the most suitable track bicycle that can travel with higher speed. Give reasons for your choice. Rajah.2 menunjukkan reka bentuk dan spesifikasi bagi empat buah basikal trek yang berbeza, P, Q, R dan S yang digunakan dalam pertandingan basikal trek di dalam velodrom. Kaji spesifikasi keempat-empat buah basikal trek tersebut. Terangkan kesesuaian bagi setiap reka bentuk dan spesifikasinya. Tentukan basikal trek yang paling sesuai untuk bergerak dengan lebih laju. Beri sebab untuk pilihan anda. [0 marks / markah] Track bicycle / Basikal trek P Body made of alloy steel Badan dibuat daripada keluli aloi Drop handle Pemegang bengkok Body made of alloy steel Badan dibuat daripada keluli aloi Track bicycle / Basikal trek Q Straight handle Pemegang lurus Wide tyre without thread Tayar lebar tanpa bunga Wide tyre with thread Tayar lebar berbunga Track bicycle / Basikal trek R Body made of carbon fibre Badan dibuat daripada gentian karbon Drop handle Pemegang bengkok Track bicycle / Basikal trek S Body made of carbon fibre Badan dibuat daripada gentian karbon Straight handle Pemegang lurus Narrow tyre without thread Tayar tirus tanpa bunga Narrow tyre with thread Tayar tirus berbunga Diagram.2/ Rajah.2

50 22 2 Diagram 2. shows the dynamo of bicycle. Rajah 2. menunjukkan sebuah dinamo basikal. Lamp / Lampu Knob / Tombol Dynamo Dinamo Magnet Magnet Coils Gegelung Diagram 2. / Rajah 2. Dynamo / Dinamo (a) (i) Name the physics concept applied in dynamo. (ii) Namakan konsep fizik yang digunakan dalam dinamo. Explain how the dynamo lighting up the lamp of bicycle. Terangkan bagaimana dinamo itu menyalakan lampu basikal. [ mark / markah] [4 marks / markah] (b) Diagram 2.2 shows a transformer. The efficiency of the transformer is 80 % with 000 number of turns in primary coils and 00 number of turns in secondary coils. The current of 5.0 A flows in the primary coils when it is connected to 20 V a.c. Rajah 2.2 menunjukkan sebuah transformer. Kecekapan transformer itu ialah 80 % dengan 000 bilangan lilitan pada gegelung sekunder dan 00 bilangan lilitan pada gegelung primer. Arus 5.0 A mengalir dalam gegelung primer apabila ia disambungkan kepada 20 V a.u. Soft iron core Teras besi lembut Primary coil Gegelung primer Secondary coil Gegelung sekunder (i) Diagram 2.2 / Rajah 2.2 Calculate the output power of the transformer. Hitung kuasa output transformer itu. [ mark / markah] (ii) Calculate the electromotive force produced in the secondary coils. Hitung daya gerak elektrik yan dihasilkan dalam gegelung sekunder. (iii) Calculate the current produced in the secondary coils. Hitung arus yang dihasilkan di dalam gegelung sekunder. [2 marks / markah] [2 marks / markah]

51 23 (c) Diagram 2.3 shows the cross-sectional view of a direct current motor. Rajah 2.3 menunjukkan pandangan keratan rentas sebuah motor arus terus. Rotor / Pemutar Carbon brush Berus karbon Commutator / Komutator Permanent magnet Magnet kekal Coils Gegelung Diagram 2.3 / Rajah 2.3 Terminal Terminal Cover Penutup Study the specifications for all four d.c motors, W, X, Y and Z in Table 2. Kaji spesifikasi-spesifikasi empat buah motor a.t, W, X, Y dan Z dalam Jadual 2. Model Density of the coil Ketumpatan gegelung / kg m -3 Number of turns of coil Bilangan lilitan gegelung Strength of the permanent magnet Kekuatan magnet kekal Number of segment in the commutator Bilangan segmen dalam komutator W Low Rendah X High Tinggi Y High Tinggi Z Medium Sederhana Table 2 / Jadual 2 Explain the suitability of characteristics for the d.c. motor and determine the most suitable d.c. motor to be used to lift a heavy object more effectively. Give reasons for your choice. Terangkan kesesuaian ciri-ciri bagi motor a.t. tersebut dan tentukan motor a.t. yang paling sesuai digunakan untuk mengangkat suatu objek berat secara lebih berkesan. Beri sebab-sebab untuk pilihan anda. [0 marks / markah] END OF QUESTION PAPER KERTAS SOALAN TAMAT

52 24 INFORMATION FOR CANDIDATES MAKLUMAT UNTUK CALON. This question paper consists of three sections: Section A, Section B and Section C. Kertas soalan ini mengandungi tiga bahagian: Bahagian A, Bahagian B dan Bahagian C. 2. Answer all questions in Section A. Write your answers for Section A in the spaces provided in the question paper. Jawab semua soalan dalam Bahagian A. Tulis jawapan anda bagi Bahagian A pada ruang yang disediakan dalam kertas soalan ini. 3. Answer one question from Section B and one question from Section C. Write your answers for Section B and Section C on the paper provided. Jawab satu soalan daripada Bahagian B dan satu soalan daripada Bahagian C. Tulis jawapan anda bagi Bahagian B dan Bahagian C dalam kertas yang disediakan. 4. Show your working, it may help you to get marks. Tunjukkan kerja mengira, ini membantu anda mendapatkan markah. 5. If you wish to change your answer, cross out the answer that you have done. Then write down the new answer. Jika anda hendak menukar sesuatu jawapan, batalkan jawapan yang telah dibuat. Kemudian tulis jawapan yang baru. 6. The diagrams in the questions provided are not drawn to scale unless stated. Rajah yang mengiringi soalan tidak dilukis mengikut skala kecuali dinyatakan. 7. A list of formulae is provided on page 2. Satu senarai formula disediakan di halaman The marks allocated for each question or part of a question are shown in brackets. Markah yang diperuntukkan bagi setiap soalan atau ceraian soalan ditunjukkan dalam kurungan. 9. You are advised to spend 90 minutes to answer questions in Section A, 30 minutes for Section B and 30 minutes for Section C. Anda dinasihati supaya mengambil masa 90 minit untuk menjawab soalan dalam Bahagian A, 30 minit untuk Bahagian B dan 30 minit untuk Bahagian C. 0. You may use a scientific calculator. Anda dibenarkan menggunakan kalkulator saintifik.

53 Nama : Tingkatan :.. PROGRAM PEMANTAPAN PRESTASI TINGKATAN 5 TAHUN 207 MAJLIS PENGETUA SEKOLAH MALAYSIA (KEDAH) MODUL FIZIK Kertas 3 Satu jam tiga puluh minit JANGAN BUKA MODUL INI SEHINGGA DIBERITAHU. Kertas soalan ini adalah dalam dwibahasa. 2. Soalan dalam bahasa Inggeris mendahului soalan yang sepadan dalam bahasa Melayu. 3. Calon dibenarkan menjawab keseluruhan atau sebahagian soalan sama ada dalam bahasa Inggeris atau bahasa Melayu. 4. Anda dibenarkan menggunakan kalkulator saintifik. 5. Anda dinasihati supaya mengambil masa 60 minit untuk menjawab soalan dalam Bahagian A dan 30 minit untuk Bahagian B. Untuk Kegunaan Pemeriksa Markah Markah Bahagian Soalan Penuh Diperoleh 6 A 2 2 B Jumlah Modul ini mengandungi 4 halaman bercetak

54 2 Section A Bahagian A [28 marks / markah] Answer all questions in this section. Jawab semua soalan dalam bahagian ini. A student carries out an experiment to investigate the relationship between the compression, x, of a spring by a ball placed on it and the height, h, reached by the ball when released. The apparatus set-up for this experiment is shown in Diagram.. Seorang pelajar menjalankan satu eksperimen untuk menyiasat hubungan di antara mampatan, x, spring oleh satu bola yang diletakkan di atasnya dengan ketinggian, h, yang dicapai oleh bola itu apabila dilepaskan. Susunan radas bagi eksperimen ini ditunjukkan dalam Rajah. y x h Diagram. / Rajah. Diagram.2 shows the height, y, measured when compression, x, of spring is.5 cm. Rajah.2 menunjukkan ketinggian, y,yang diukur apabila mampatan, x, spring adalah.5 cm. x =.5 cm y =.. cm h =..cm Diagram.2 / Rajah.2

55 3 The experiment is repeated with compressions of x = 2.0 cm, 2.5 cm, 3.0 cm and 3.5 cm. The corresponding heights measured are shown in Diagrams.3,.4,.5 and.6. Eksperimen ini diulangi dengan mampatan x = 2.0 cm, 2.5 cm, 3.0 cm dan 3.5 cm. Ketinggian sepadan yang diukur adalah seperti yang ditunjukkan dalam Rajah.3,.4,.5 dan.6. 0 cm cm cm cm Diagram / Rajah.3 Diagram / Rajah.4 Diagram / Rajah.5 Diagram / Rajah.6 x = 2.0 cm x = 2.5 cm x = 3.0 cm x = 3.5 cm y =.. cm y =.. cm y =.. cm y =.. cm h =..cm h =..cm h =..cm h =..cm

56 4 (a) For the experiment described on page 2 and 3, identify: Bagi eksperimen yang dihuraikan di halaman 2 dan 3, kenal pasti: (i) (ii) The manipulated variable Pembolehubah dimanipulasikan.. [ mark / markah] The responding variable Pembolehubah bergerak balas.. [ mark / markah] (iii) The constant variable Pembolehubah dimalarkan... [ mark / markah] (b) Based on Diagrams.2,.3,.4,.5 and.6 on pages 2 and 3: Berdasarkan Rajah.2,.3,.4,.5 dan.6 pada halaman 2 dan 3: (i) Record the readings of the height, y, in the spaces provided on the diagrams. Catat bacaan ketinggian, y, dalam ruang yang disediakan pada rajah. [ mark / markah] (ii) For each value of y in (b)(i), calculate the height, h, reached by the ball by using equation h = y + x Bagi setiap nilai y di (b)(i), hitung ketinggian, h, yang dicapai oleh bola dengan menggunakan persamaan h = y + x. Record the value of h in the spaces provided on the diagram. Catat nilai-nilai bagi h dalam ruang yang disediakan pada rajah. [2 marks / markah]

57 5 (c) Tabulate your results for all values of x, y, h and h in the space below. Jadualkan keputusan anda bagi semua nilai x, y, h dan h dalam ruang di bawah. [4 marks / markah] (d) On the graph paper on page 6, plot a graph of h against x. Pada kertas graf pada halaman 6, lukis graf h against x. [5 marks / markah] (e) Based on the graph in (d), state the relationship between h and x. Berdasarkan graf dalam (d), nyatakan hubungkait antara h dan x. [ mark / markah]

58 6 Graph of h against x Graf h melawan x

59 7 2 A student carries out an experiment to investigate the relationship between the heat absorbed, Q, and temperature change, θ, of a fixed mass of water. The results of this experiment are shown in the graph of Q against θ in Diagram 2 on page 7. Seorang murid menjalankan eksperimen untuk menyiasat hubungan antara haba diserap, Q, dan perubahan suhu, θ, bagi air yang berjisim tetap. Keputusan eksperimen ditunjukkan oleh graf Q melawan θ dalam Rajah 2 di halaman 7. Q / J Graph of Q against θ / Graf Q melawan θ θ / ⁰ C Diagram 2 / Rajah 2 (a) Based on the graph in Diagram 2: Berdasarkan graf dalam Rajah 2: (i) State the relationship between Q and θ. Nyatakan hubungan antara Q dengan θ.... [ mark / markah]

60 (ii) Determine the value of Q when θ =.25 ⁰ C. Show on the graph, how you determine the value of Q. Tentukan nilai Q apabila θ =.25 ⁰ C. Tunjukkan pada graf itu bagaimana anda menentukan nilai Q. 8 Q =.. (iii) Calculate the gradient, k of the graph Q against θ. Show on the graph how you determine the value of k Hitung kecerunan, k, bagi graf Q melawan θ. Tunjukkan pada graf bagaimana anda menentukan nilai k. [2 marks / markah] k =. [3 marks / markah] (b) Specific heat capacity of water can be determined using the formula: c = k m where, k is the gradient of the graph and m is a constant mass with value of 5.0 x 0 - kg. Muatan haba tentu bagi air boleh ditentukan dengan menggunakan rumus: c = k m di mana, k ialah kecerunan graf dan m ialah jisim yang malar dengan nilai 5.0 x 0 - kg. Calculate the value of c. Hitung nilai c. c =.. [2 marks / markah]

61 9 (c) The power consumption, P, of a water heater is given by the formula: P = Q t where, t is the time taken for the heating of water. Kuasa terlesap, P, bagi pemanas air diberi oleh formula: P = Q t di mana, t ialah masa untuk pemanasan air. Calculate the value of P when θ =.25 ⁰ C and the time of heating, t = s. Hitung nilai P apabila θ =.25 ⁰ C dan masa pemanasan, t = s. (d) P = [2 marks / markah] The experiment is repeated by using ice with the same mass. If the specific heat capacity of ice is 2.0 x 0 3 J kg - ⁰ C -, what happens to the gradient of the graph, k? Eksperimen ini diulang menggunakan ais dengan jisim yang sama. Jika muatan haba tentu bagi ais ialah 2.0 x 0 3 J kg - ⁰ C -, apakah yang berlaku kepada kecerunan graf, k? [ mark / markah] (e) State one precaution that should be taken to improve the accuracy of the readings in this experiment. Nyatakan satu langkah berjaga-jaga yang perlu diambil untuk memperbaiki ketepatan keputusan eksperimen ini. [ mark / markah]

62 0 Section B Bahagian B [2 marks / 2 markah] Answer any one question from this section. Jawab mana-mana satu soalan daripada bahagian ini. 3 Diagram 3 shows two similar coffee maker A and B, containing different amount of coffee on similar hot plates stove. The coffee in both coffee makers are heated by turning on the power supply of the hot plate. After few minutes, it was observed that the coffee in coffee maker B is hotter than the coffee in coffee maker A. Rajah 3 menunjukkan dua pembancuh kopi serupa A dan B, mengandungi jumlah kopi yang berbeza di atas dapur plat panas yang serupa. Kopi di dalam kedua-dua pembancuh kopi dipanaskan dengan menghidupkan bekalan kuasa plat panas. Selepas beberapa minit, didapati kopi dalam pembancuh kopi B adalah lebih panas daripada kopi dalam pembancuh kopi A. Coffee maker A Pembancuh kopi A Coffee maker B Pembancuh kopi B Hot plate stove Dapur plat panas Diagram 3 / Rajah 3 Based on the information and observation: Berdasarkan maklumat dan pemerhatian itu: (a) (b) (c) State one suitable inference. Nyatakan satu inferens yang sesuai. State one suitable hypothesis. Nyatakan satu hipotesis yang sesuai. [ mark /markah] [ mark /markah] With the use of apparatus such as beaker, thermometer and other apparatus, describe one experiment to investigate the hypothesis stated in 3(b). Dengan menggunakan radas seperti bikar, termometer dan lain-lain radas, terangkan satu eksperimen untuk menyiasat hipotesis yang dinyatakan di 3(b).

63 In your description, state clearly the following: Dalam penerangan anda, nyatakan dengan jelas perkara berikut: (i) (ii) The aim of the experiment. Tujuan eksperimen. The variables in the experiment. Pembolehubah dalam eksperimen. (iii) The list of apparatus and materials. Senarai radas dan bahan. (iv) The arrangement of the apparatus. Susunan radas. (v) The procedure of the experiment which include one method of controlling the manipulated variable and one method of measuring the responding variable. Prosedur eksperimen termasuk satu kaedah mengawal pembolehubah dimanipulasikan dan satu kaedah mengukur pembolehubah bergerak balas. (vi) The way to tabulate the data. Cara untuk menjadualkan data. (vii) The way to analyse the data. Cara untuk menganalisis data. [0 marks / markah]

64 2 4 Diagram 4. shows a coil dimmer to control the brightness of lamps. Diagram 4.2 shows the internal structure of the coil dimmer and the lamp circuit connected to it. The control knob of the dimmer can be turned to change the position of brush which makes contact with the coil. It is observed that the lamp becomes brighter when the control knob is turned clockwise to increase number of turn connected to the lamp. Rajah 4. menunjukkan satu dimmer gegelung untuk mengawal kecerahan lampu. Rajah 4.2 menunjukkan struktur dalaman dimmer gegelung itu dan litar lampu yang disambungkan kepadanya. Tombol kawalan dimmer tersebut boleh diputarkan untuk mengubah kedudukan berus yang membuat sentuhan dengan gegelung. Diperhatikan lampu menjadi lebih terang apabila tombol kawalan diputarkan mengikut arah jam untuk menambahkan bilangan lilitan yang disambungkan kepada lampu itu. Diagram 4. / Rajah 4. Soft iron ring Gelang besi lembut Switch / Suis Lamp / Lampu Power supply 240 V a.c. Bekalan kuasa 240 V a.u. Brush / Berus Control knob Tombol kawalan Coil / Gegelung Diagram 4.2 / Rajah 4.2 Based on the imformation and observation: Berdasarkan maklumat dan pemerhatian itu: (a) (b) State one suitable inference. Nyatakan satu inferens yang sesuai. State one suitable hypothesis. Nyatakan satu hipotesis yang sesuai. [ mark /markah] [ mark /markah]

65 3 (c) With the use of copper coils, C-shaped soft iron core and other apparatus, describe one experiment to investigate the hypothesis stated in 4(b). Dengan menggunakan gegelung-gegelung kuprum, teras besi lembut berbentuk-c dan radas lain, terangkan satu eksperimen untuk menyiasat hipotesis yang dinyatakan di 4(b). In your description, state clearly the following: Dalam penerangan anda, nyatakan dengan jelas perkara berikut: (i) (ii) The aim of the experiment. Tujuan eksperimen. The variables in the experiment. Pembolehubah dalam eksperimen. (iii) The list of apparatus and materials. Senarai radas dan bahan. (iv) The arrangement of the apparatus. Susunan radas. (v) The procedure of the experiment which include one method of controlling the manipulated variable and one method of measuring the responding variable. Prosedur eksperimen termasuk satu kaedah mengawal pembolehubah dimanipulasikan dan satu kaedah mengukur pembolehubah bergerak balas. (vi) The way to tabulate the data. Cara untuk menjadualkan data. (vii) The way to analyse the data. Cara untuk menganalisis data. [0 marks / markah] END OF QUESTION PAPER KERTAS SOALAN TAMAT

66 4 INFORMATION FOR CANDIDATES MAKLUMAT UNTUK CALON. This question paper consists of two sections: Section A and Section B. Kertas soalan ini mengandungi dua bahagian: Bahagian A dan Bahagian B. 2. Answer all questions in Section A. Write your answers for Section A in the spaces provided in this question paper. Jawab semua soalan dalam Bahagian A. Tulis jawapan anda bagi Bahagian A pada ruang yang disediakan dalam kertas soalan ini. 3. Answer any one question from Section B. Write your answers for Section B on the paper provided. You may use equations, diagrams, tables, graphs and other suitable methods to explain your answers. Jawab mana-mana satu soalan daripada Bahagian B. Tulis jawapan anda bagi Bahagian B pada kertas yang disediakan. Anda boleh menggunakan persamaan, rajah, jadual, graf dan cara lain yang sesuai untuk menjelaskan jawapan anda. 4. Show your working, it may help you to get marks. Tunjukkan kerja mengira, ini membantu anda mendapatkan markah. 5. The diagrams in the questions are not drawn to scale unless stated. Rajah yang mengiringi soalan tidak dilukis mengikut skala kecuali dinyatakan. 6. The marks allocated for each question or part of a question are shown in brackets. Markah yang diperuntukkan bagi setiap soalan atau ceraian soalan ditunjukkan dalam kurungan. 7. If you wish to change your answer, cross out the answer that you have done. Then write down the new answer. Jika anda hendak menukar jawapan, batalkan jawapan yang telah dibuat. Kemudian tulis jawapan yang baru. 8. You may use a scientific calculator. Anda dibenarkan menggunakan kalkulator saintifik. 9. You are advised to spend 60 minutes to answer questions in Section A and 30 minutes for Section B. Anda dinasihati supaya mengambil masa 60 minit untuk menjawab soalan dalam Bahagian A dan 30 minit untuk Bahagian B.

67 5

68 PROGRAM PEMANTAPAN PRESTASI TINGKATAN 5 TAHUN 207 MAJLIS PENGETUA SEKOLAH MALAYSIA (KEDAH) MODUL FIZIK Kertas Peraturan Pemarkahan

69 PHYSICS PAPER MARKS Paper 50 Paper 2 00 Paper 3 40 Total 90 Jumlah markah diskalakan kepada 00% Paper B 26 D 2 B 27 A 3 D 28 C 4 C 29 C 5 D 30 B 6 B 3 C 7 B 32 D 8 D 33 C 9 A 34 D 0 A 35 B D 36 A 2 C 37 C 3 C 38 C 4 B 39 A 5 A 40 A 6 B 4 D 7 A 42 B 8 A 43 C 9 A 44 B 20 B 45 D 2 C 46 A 22 D 47 C 23 A 48 D 24 B 49 C 25 D 50 A

70

71 MODUL PEMANTAPAN PRESTASI TINGKATAN 5 TAHUN 207 MAJLIS PENGETUA SEKOLAH MALAYSIA (KEDAH) MODUL FIZIK Kertas 2 Peraturan Pemarkahan

72 BAHAGIAN A (a) No Mark Scheme Sub Mark Total Mark State the sensitivity correctly 0.0 cm (b) (c) 2(a) (b) (c) Shows the substitution and answer correctly 0.82 cm Thickness = 00 = cm 2 Name the measuring instrument correctly Micrometer screw gauge Name the forces correctly Normal reaction force State the types of motion correctly Moving with uniform velocity / zero acceleration State the change to the motion correctly Acceleration increases uniformly 4 (d) State the reason correctly - Shorter time of impact - Higher impulsive force 2 5 3(a) (i) State the meaning of amplitude correctly Maximum displacement from the equilibrium (ii) State the period of oscillation correclty 0.4 s (b) (i) Show the substitution or answer of spring constant correctly Spring constant = l 2l x 20 = 0 N cm - (ii) State the change to the frequency correctly Decrease 2 (c) Sketch the graph of displacement against time correctly - Sinusiodal curve with decreasing amplitude - Constant period of 0.4 s 2 6 2

73 No Mark Scheme Sub Mark 4(a) (i) State the type of transistor correctly n-p-n transistor Total Mark (ii) State the name of the terminals correctly P collector Q emitter R base All 3 correct, award 2 marks Only 2 correct, award mark 2 2 (b) (i) Shows the substitution and answer correctly 00 x 0 3 Vs = 00 x x 0 3 x 6 = V (ii) State the working principle of the fire alarm correctly - Vs higher // V B higher // I B flows higher - Larger I C flows // Transistor switches ON 4 5(a) 7 Name the shape of sail correctly Aerofoil (b) (i) Compare the speed of air correctly P < Q (ii) P > Q Compare the air pressure correctly (iii) State the relationship correctly The higher the air speed, the lower the air pressure / vice versa 3 (c) (i) Name the principle correclty Bernoulli s Principle (ii) Name one apparatus correctly Bunsen burner 2 (d) (i) State the change to the force correclty Increases (ii) Give one reason correctly Larger cross sectional area 2 8 3

74 6(a) No Mark Scheme State the meaning of nuclide correclty An atom of a particular structure / Any particular type of an atom of element Sub Mark Total Mark (b) (i) Compare the energy prouced correctly Q > P (ii) Compare the loss of mass correclty Q > P (iii) State the relationship correclty The higher the loss of mass of nuclides, the higher the energy produced 3 (c) Name the physics concept correctly Einstein law / Einstein equation / Einstein formula / E = m c 2 (d) (i) Write the nuclear equations correclty P : H + H He + n + energy Q : n + U Ba + Kr + 3 n + energy 0 0 (ii) State the nuclear reaction correclty Q 3 7(a) Name the circuit arrangements correcltly Diagram 7. : parallel circuit Diagram 7.2 : series circuit Both answer correct, award mark 8 (b) (i) State the substitution or answer with unit correctly Diagram 7.: R = Ω Diagram 7.2: R = 4 Ω (ii) State the circuit correclty Diagram 7. 3 (c) (i) State the number of bulbs and reason correclty More number of bulbs More heat supplied (ii) State the arrangement of bulbs and reason correclty Bulbs arrange in series Higher resistance / more heat supplied (iii) State the size of incubator and reason correctly Larger size More eggs can be heated at once 4 6 0

75 8(a) No Mark Scheme Sub Mark Total Mark State the meaning of focal length correctly The distance between the focal point, F, and the optical center, C (b) (i) Draw the ray diagram correclty - Draw light ray pass through point F - Draw light ray pass through point C - Show the formation of image at the point of intercept between the two light rays (ii) State any two characteristics correctly Real / inverted / diminished Any two correct, award mark 4 (c) (i) State the types of lens and reason correclty Convex lens To produced magnified / real image (ii) State the focal length and reasons correctly Longer Higher magnification (iii) State the diameter and reason correctly Bigger diameter Greater resolution / clearer image / collect more light 6 (d) Make a correct choice Lens P 2 5

76 BAHAGIAN B No 9(a) (b) (c) Mark Scheme State the meaning of heat correctly Form of energy // the energy transferred from hot object to cold object Compare the final temperature, time taken and rate of change in temperature correctly. Both have same final temperature 2. Time taken for plastic spoon to become hot is longer 3. Rate of change of temperature for plastic spoon is lower Relate the specific heat capacity, time taken and rate of change of temperature correclty 4. The higher the specific heat capacity, the longer the time taken for the spoon to become hot / vice versa 5. The higher the specific heat capacity, the lower the rate of change of temperature / vice versa Explain the process correctly. Temperature of coffee is higher than surrounding 2. Heat from coffee transfers to surrounding 3. Heat transfers until achieve thermal equilibrium 4. Rate of heat transfer is equal / Temperatures are equal / net rate of heat transfer is zero Sub Mark Total Mark 5 4 (d) (i) State the type of stopper and reason correctly Cork // hollow plastic Good insulator / poor heat conductor/ less heat transfer through stopper (ii) State the space H and reason correctly Vacuum Heat from hot water cannot lost through conduction and convection (iii) State the material of double wall tube correctly Made of glass Trap heat in the flask / reduce the rate of heat loss 2 2 State the type of surface of double wall tube correctly Shiny surface / Silvered surface Trap heat in the flask / reduce the rate of heat loss 4 (iv) State the material of outer case correctly Plastic material // Metal material Reduce the rate of heat loss / Insulator // Reflect heat from surroundings

77 Sub No Mark Scheme Mark 0(a) (i) State the type of wave correctly Longitudinal wave Total Mark (ii) Explain the production and hearing of sound correctly. When he plucks the strings, the strings vibrate 2. Produces compression and rarefaction regions 3. The air molecules vibrate parallel to the direction of propagation 4. Energy is transferred and the eardrums vibrate with the same frequency of the sound 5 (b) Compare the angles and velocity of sound correctly. α = α2 2. β = β2 3. Velocity changes (due to the change of direction) State the relationship between the angles and name the law correctly 4. Angle of incidence = angle of reflection 5. Law of reflection 5 (c) (i) State the size of the dish and reason correctly Bigger dish of antenna Receives more signals State the shape of the dish and reason correctly Concave / parabolic dish To focus / converge signals to receiver / To reflect signals to infinity (ii) State the degree of rotation and reason correctly 360 o rotation Can send signals to many ground stations (iii) State the types of wave and reason correctly Microwave is used Can transfer through vacuum / space // high penetrating power (iv) State the orientation of the dish and reason correctly Destination dish facing transmitter antenna Receive stronger signal

78 No (a) Mark Scheme State the meaning correctly Falling of an object which only due to force (or gravitational force /attraction without any influence of other forces) Sub Mark Total Mark (b) (i) Show the correct answer - 0 ms -2 (ii) Show the correct substitution v = 0 + (0)(2.0) v = 20 ms - (iii) Show the correct substitution EP at K = EK at O EP = ½ (65)(20) 2 EP = 3000 J 5 (c) (d) Explain how the athlete accelerates correctly Velocity increases Kinetic energy increases Kinetic energy at K = Gravitational potential energy across the bar Height, h increases State the choice and reason of type of material of body of track bicycle Carbon fibre 2 Lighter / Small mass / Low density State the choice and reason of type of handle of track bicycle correctly 3 Drop handle 4 Cyclist at aerodynamic position / reduce air resistance State the choice and reason of width tyre correctly 5 Narrow tyre 6 Lighter / reduce the friction State the choice and reason of the thread of tyre correctly 7 No thread 8 Reduce the friction State the most suitable track bicycle and justification correctly 9 R 0 Track bicycle with carbon fibre body, drop handle, narrow and without thread tyre // Others correct combination

79 Sub No Mark Scheme Mark 2(a) (i) State the meaning correctly Electromagnetic induction Total Mark (ii) Explain how the dynamo works correctly Knob rotates / Magnet rotates Magnetic flux cut by coil / Changing in magnetic flux Induced current is produced Electric energy Light energy (b) (i) Show the correct answer Out put power = 0.8 x 5.0 x 20 = 480 W (ii) Show the correct substitution and answer correctly 20 = 000 V S 00 V S = 2 V (iii) Show the correct substitution and answer correctly I SV S = 480 I S X 2 = 480 I S = 40 A (c) Density of the coil: less dense Lighter Number of turns of coil: more Larger magnetic resultant force Strength of permanent magnet: Higher Larger magnetic resultant force Number of segment in the commutator: more Motor rotates smoother / Reduce the rate of wear and tear for carbon brush 5 5 Choice: Y Reasons of the choice : Low density, more number or turns, higher strength of permanent magnet and more number of segment in commutator // Others correct combinations

80 MODUL PEMANTAPAN PRESTASI TINGKATAN 5 TAHUN 207 MAJLIS PENGETUA SEKOLAH MALAYSIA (KEDAH) MODUL FIZIK Kertas 3 Peraturan Pemarkahan