MARKING SCHEME PAPER 3. Marks. Answer Jawapan State the correct variable Length. Question Soalan 1 (a) (i) Markah

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1 43 MARKNG SCHEME PAPER 3 Soalan (a) (i) (a) (ii) (a) (i) Jawapan State the correct variable Length State the correct variable Potential difference State the one correct fixed variable Current type of wire diameter cross-sectional area State the correct use of the mirror To avoid reduce parallax error (c) Tabulate Vand L correctly Llcm VV Give a tick () based on the following: A B C D E F Columns L and V Correct units for L and V All 6 values ofl correct All 6 values of V correct [Note: 4 or values of V correct: ] All values ofv consistent to or 2 dp. All values ofv consistent to or 2 d.p. awarded: Number of l Total marks: 43 HAK CPTA PKPSM TERENGGANU 97

2 43 (d) (i) Draw correctly the graph of V against L Give a tick () based on the following: A Vat the y-axis, L at the x-axis B Correct units at both axes C Uniform scale at both axes D 6 points plotted correctly [Note: 4 or points plotted correctly: ] E Best straight line F Minimum size ofgraph x 4 big squares (Big square: 2 em x 2 em) (From the origin to the last point) awarded : Number of (e) (t) Total marks: State a suitable relationship between Vand L Directly proportional State one suitable precaution The connections in the circuit must be tight (to reduce unnecessary resistance) Total 6 2 (a) Straight line from m = 40 s 28 kg 2 increase Straight line to Y axis at m = 28 2 (c) f the mass ofplasticine increase, then the elasticity increase 2 (d) (i) Draw a tangent at m =40 Show a triangle (enough size) Substitution 60 k =.09 kgs" st 2 nd 3 rd 4 th (ii) 43 HAK CPTA PKPSM TERENGGANU 98

3 43 p = (.09i =.232 ( 4 decimal point) 2 (e) eye position must be perpendicular to scale of stopwatch. Soalan 3. (a) (c) (i) Jawa an State a suitable inference Acceleration is influenced by the mass State a relevant hypothesis When the mass increased, the acceleration will be decreased. State the aim ofexperiment To investigate the relationship between the acceleration and the mass. State the suitable manipulated variables and responding variable (Quantity that can be measured) Manipulatd variable: mass Responding variable: acceleration sf 2 nd Total 2 (ii) f t-----j State the constant variable Force applied (iii) f j State the complete list ofapparatus and materials Trolleys, ticker timer, ticker tape, a rubber band, a wooden runway, (iv) 2 V a.c power supply. Draw the functional arrangement of the apparatus Trolley rubber band (v) Ticker Timer Ticker tape. riction compensated runway The apparatus is set up as shown in the diagram. The ticker-timer is switched on and a trolley is pulled using a rubber band. The extension ofthe rubber band is ensured to be of the same length State the method to measure the responding variable Acceleration ofthe trolley is calculated using the ticker-tape. a = ( v-u ) t HAK CPTA PKPSM TERENGGANU 99

4 43 Repeat the experiment at least 4 times with the values Procedure 2 and Procedure 3 are repeated using 2,3,4 and trolleys. (Note: Based on SPM standard, at least five manipulated values required.) State how the data tabulated with the title MV and RV Mass / num. oftrolley acceleration / ern S-L State how the data is analysed, plot a graph RV against MV acceleration / ern S-2 Lss/own. oftrolley Total 2 Soa/an Jawapan 4. (a) nference The temperature rise ofthe water influeced on its mass (c)(i) (ii) Hypothesis The bigger the mass, the smaller the increase in temperature Aim To investigate the relationship between the mass and the increase in temperature ofthe water Variables a) manipulated :mass ofwater b) responding : increase temperature c) fixed :quantity ofheat, density of water (iii) 43 HAK CPTA PKPSM TERENGGANU 00

5 43 List ofapparatus and materials Thermometer, immersion heater, stopwatch, water, Beakers, triple beam balance, power supply, stirrer (iv) Arrangement ofthe apparatus (vii) Power supply f-thermometer (Stirrer r-~_~t-,t""'---'beaker ~.l- '""" mmersion heater ~ -'-: W~ter Procedure of the experiment which include the method ofcontrolling the manipulated variable and the method of measuring the responding variable. The water mass of20 g filled into the beaker Record the initial temperature ofthe water, e The electric heater is switched on and the stopwatch is started simultaneously. After heating for a time, t, the heater is switched off. The maximum reading on the thermometer is recorded = e 2 The increase in temperature, e = e 2 e The experiment is repeated 4 times with the difference mass ofwater Tabulate the data Mass/ ncrease in temperature, erc (vii)analyse the data nc'8as8 in temperature 43 HAK CPTA PKPSM TERENGGANU 0

SMJK YU HUA KAJANG MARKING SCHEME PEPERIKSAAN PERTENGAHAN TAHUN 2014 PHYSICS PAPER 3 FORM 4

SMJK YU HUA KAJANG MARKING SCHEME PEPERIKSAAN PERTENGAHAN TAHUN 04 PHYSICS PAPER 3 FORM 4 NO MARKING CRITERIA MARKS (a) (i) Able to state the manipulated variable - mass/m SUB (ii) Able to state the responding