CET-04 PHYSICS IMPORTANT INSTRUCTIONS OF CANDIDATES. This question booklet contins 60 questions nd ech question will hve one sttement nd four distrcters.(four different options/choices.). After the 3 rd Bell is rung t 0.40m., remove the pper sel on the right hnd side of this question booklet nd check tht this booklet does not ny unprinted or torn or missing pges or items etc., if so, get it replced by complete test booklet. Red ech item nd strted nswering on the OMR nswer sheet. 3. During the subsequent 70 minutes:. Red ech questions crefully.. Choose the correct nswer from out of the four vilble distrcters ( options / choices ) given under ech questions / sttement.. Completely drken /shde the relevnt circle with BLUE OR BLACK INK BALL POINT PEN Aginst the questions number on the OMR nswer sheet. 4. Plese note tht even minute unintended ink dot on the OMR nswer sheet will lso be recognised nd recorded by the scnner. Therefore, void multiple mrkings of ny kind on the OMR nswer sheet. 5. Use the spce provided on ech pge of the questions booklet for Rough Work. Do not use the OMR nswer sheet for the sme. 6. After the lst bell is rung t.50m., stop writing on the OMR nswer sheet nd ffix your LEFT HAND THUMB IMPRESSION on the OMR nswer sheet s per the instructions. 7. Hnd over the OMR ANSWER SHEET to the room invigiltor s it is. 8. After seprting the top sheet (Our Copy), the invigiltor will return the bottom sheet replic ( Cndidte s copy ) to you to crry home for self-evlution. 9. Preserve the replic of the OMR nswer sheet for minimum period of ONE yer.
3 x y. A physicl quntity Q is found to depend on observbles obeying reltion Q. The z percentge error in the mesurements of x,y,z re %,% nd 4%. Respectively. Wht is percentge error in the quntity Q? () 4% () 3% (3) % (4) %. Which of the following is not vector quntity? () Weight () Nucler spin (3) Momentum (4) Potentil energy 3. A cr moves from A to B with speed of 30kmph nd from B to A with speed of 0 kmph. Wht is the verge speed of the cr? () 5 kmph () 4 kmph (3) 50 kmph (4) 0 kmph 4. A body strts from rest nd moves with constnt ccelertion for t s. It trvels distnce x in first hlf of the time nd x in next hlf of time, then () x x () x x (3) x 3x (4) x 4x 5. A person is driving vehicle t uniform speed of 5 ms - on level curved trck of rdius 5 m. The coefficient of sttic friction between tyres nd rod is 0.. Will the person slip while tking the turn with the sme speed? Tke g=0ms -. Choose the correct sttement. () A person will slip if v =5ms - () A person will slip if v >5ms - (3) A person will slip if v <5ms - (4) A person will slip if v >0ms - 6. A stone is thrown verticlly t speed of 30 ms - mking n ngle of 45 0 with the horizontl. Wht is the mximum height reched by the score? Tking g=0ms -. () 30 m ().5 m (3) 5 m (4) 0 m
7. A force F 5î ĵ- 5kˆ cts on prticle whose position vector is r î - ĵ kˆ Wht is the torque bout the origin? () 8î 0ĵ kˆ () 8î 0ĵ kˆ (3) 8î 0ĵ 8kˆ (4) 0î 0ĵ kˆ 8. Wht is period of revolution of erth stellite? Ignore the height of stellite bove the surfce of erth. Given: () The vlue of grvittionl ccelertion g =0ms -. () Rdius of erth R E =6400km. Tke π=3.4. () 85minutes () 56 minutes (3) 83.73 minutes (4) 90 minutes 9. A period of geosttionry stellite is () 4 h () h (3) 30 h (4) 48 h 0. Wht is the source temperture of the Crrot engine required to get 70% efficiency? Given sink temperture =7 0 C () 000 0 C () 90 0 C (3) 70 0 C (4) 77 0 C. A 0kg metl block is ttched to spring of spring constnt 000Nm -. A block is displced from equilibrium position by 0 cm nd relesed. The mximum ccelertion of the block is () 0ms - () 00ms - (3) 00ms - (4) 0.ms -. A metllic wire of m length hs mss of 0 x 0-3 kg. If tension of 00 N is pplied to wire, wht is the speed of trnsverse wve? () 00 ms - () 0 ms - (3) 00ms - (4) 0.ms -
3. A trin is pproching towrds pltform with speed of 0ms - while blowing whistle of frequency 340Hz. Wht is the frequency of whistle herd by sttionry observer on the pltform? Given speed of sound =340ms -. () 330 Hz () 350 Hz (3) 340 Hz (4) 360 Hz 4. A rotting wheel chnges ngulr speed from 800 rpm to 3000 rpm in 0 s. Wht is the ngulr ccelertion ssuming to be uniform? () 60π rds - () 90π rds - (3) π rds - (4) 40π rds - 5. A flow of liquid is stemline if the Reynold number is () Less thn 000 () Greter thn 000 (3) Between 000 to 3000 (4) Between 4000 to 5000 6. A pipe of 30 cm long nd open t both the ends produces hrmonics. Which hrmonic mode of pipe resontes. KHz source? Given speed of sound in ir =330ms - () Fifth hrmonic () Fourth hrmonic (3) Third hrmonic (4) Second hrmonic 7. In nomlous expnsion of wter, t wht temperture, the density of wter is mximum? () 4 0 C () <4 0 C (3) >4 0 C (4) 0 0 C 8. An eroplne executes horizontl loop t speed of 70 kmph with its wings bnked t 45 0 Wht is the rdius of the loop? Tke g=0 ms -. () 4 km () 4.5 km (3) 7.km (4) km 9. A body hving moment of interi bout its xis of rottion equl to 3 kg-m is rotting with ngulr velocity of 3 rd s -. Kinetic energy of this rotting body is sme s tht of body mss 7 kg moving with velocity v. The vlue of v is () ms - () 0.5 ms -
(3) ms - (4).5 ms - 0. A cycle tyre burst suddenly. Wht is the type of this process? () Isotherml () Adibtic (3) Isochoric (4) Isobric. An object is plced t 0 cm in front of concve mirror produces three times mgnified rel imge. Wht is focl length of the concve mirror? () 5 cm () 6.6 cm (3) 0 cm (4) 7.5 cm. A focl length of lens is 0 cm. Wht is power of lens in dioptre? () 0. D () 0 D (3) 5 D (4) 0 D 3. A microscope is hving objective of focl length cm eyepiece of focl length 6 cm. If tube length is 30 cm nd imge is formed t the lest distnce of distinct vision, wht is the mgnifiction produced by the microscope? Tke D=5 cm. () 6 () 50 (3) 5 (4) 5 4. A fringe width of certin interference pttern is β =0.00 cm. Wht is the distnce of 5 th drk fringe from centre? () x 0 - cm () x 0 - cm (3). x 0 - cm (4) 3.8 x 0-6 cm 5. Dimeter of the objective of telescope is 00cm. Wht is the resolving power of telescope? Tke wvelength of light =5000 o A. () 6.56 x 0 6 () 3.8 x 0 5 (3) x 0 6 (4) 3.8 x 0 6
6. A polrized light of intensity I is pssed through nother polrizer whose pss xis mkes n ngle of O 60 0 with the pss xis of the former. Wht is the intensity of emergent polrized light from second polrizer? () I I O () I I/ 6 O (3) I I/ 5 O (4) I/ 4 O 7. Wht is the de Brogile wvelength of the electron ccelerted through potentil difference of 00 Volt? ().7 O A ().7 O A (3) 0.7 O A (4) 0.007 A O 8. The mximum kinetic energy of the photoelectrons depends only on () Potentil () Frequency (3) Incident ngle (4) Pressure 9. Which of the following spectrl series of hydrogen tom is lying in visible rnge of electromgnetic wve? () Pschen series () Pfund series (3) Lymn series (4) Blmer series 30. Wht is the energy of the electron revolving in third orbit expressed in ev? ().5 ev () 3.4 ev (3) 4.53 ev (4) 4. ev 3. The reltion between hlf life (T) nd decy constnt ( ) is () T () T (3) T log e
(4) log T 3. A force between two protons is sme s the force between proton nd neutron. The nture of the force is () Wek nucler force () Strong nucler force (3) Electricl force (4) Grvittionl force 33. In n type semiconductor, electrons re mjority chrge crriers but it does not show ny negtive chrge. The reson is () Electrons re sttionry () Electrons neutrlize with holes (3) Mobility of electrons is extremely smll (4) Atom is electriclly neutrl. 34. For the given digitl circuit, write the truth tble nd identify the logic gte it represents: () OR-Gte () NOR Gte (3) NAND-Gte (4) AND-Gte 35. If α- current gin of trnsistor is 0.98. Wht is the vlue of β- current gin of the trnsistor? () 0.49 () 49 (3) 4.9 (4) 5 36. A turned mplifier circuit is used to generte crrier frequency of MHz for the mplitude modultion. The vlue of () 6 x0 () 6 x0 (3) 6 3 x0 LC is
(4) 6 4 x0 37. If chrge on the body is nc, then how mny electrons re present on the body? ().6 x 0 9 () 6.5 x 0 9 (3) 6.5 x 0 7 (4) 6.5 x 0 8 38. Two equl nd opposite chrges of msses, m re m re ccelerted in n uniform electric field through the sme distnce. Wht is the rtio of their ccelertions if their rtio of msses is m 0.5? m () 0. 5 () (3) (4) 3 39. Wht is the nture of Gussin surfce involved in Guss lw of electrosttic? () Sclr () Electricl (3) Mgnetic (4) Vector 40. Wht is the electric potentil t distnce of 9 cm from 3 nc? () 70 V () 3 V (3) 300 V (4) 30 V 4. A voltmeter reds 4 V when connected to prllel plte cpcitor with ir s dielectric. When dielectric slb is introduced between pltes for the sme configurtion, voltmeter reds V. Wht is the dielectric constnt of the mteril? () 0.5 () (3) 8 (4) 0 4. A sphericl conductor of rdius cm is uniformly chrged with 3 nc. Wht is the electric field t distnce of 3cm from the centre of the sphere?
() 3 x 0 6 Vm - () 3 Vm - (3) 3 x 0 4 Vm - (4) 3 x 0-4 Vm - 43. A crbon file resistor hs colour code Green Blck Violet Gold. The vlue of the resistor is 50 M () 500M () 500±5%M (3) 500±0%M 44. Two resistors of resistnces nd 6 re connected in prllel. This combintion is then connected to bttery of emf V nd internl resistnce 0.5. Wht is the current flowing through the bttery? () 4 A () 4 A 3 4 (3) A 7 (4) A 45. The equivlent resistnce of two resistors connected in series is 6 nd their prllel equivlent resistnce is 3 4. Wht re the vlues of resistnces? () 4, 6 () 8, (3) 4, (4) 6, 46. In potentiometer experiment of cell of emf.5 V gives blncing length of 30 cm. If the cell is replced by nother cell, blncing length is found to be 40 cm. Wht is the emf of second cell ().57 v ().67 v (3).47 v (4).37 v 47. A chrged prticle experiences mgnetic force in the presence of mgnetic field. Which of the following sttement is correct? () The prticle is moving nd mgnetic field is perpendiculr to the velocity () The prticle is moving nd mgnetic field is prllel to velocity (3) The prticle sttionry nd mgnetic field is perpendiculr (4) The prticle is sttionry nd mgnetic field is prllel.
48. If velocity hs both perpendiculr nd prllel components while moving through mgnetic field, wht is the pth followed by chrged prticle? () Circulr () Ellipticl (3) Liner (4) Helicl 49. A solenoid hs length 0.4 cm, rdius cm nd 400 turns of wire. If current of 5 A is pssed through this solenoid, wht is the mgnetic field inside the solenoid? () 6.8 x 0-4 T () 6.8 x 0-3 T (3) 6.8 x 0-7 T (4) 6.8 x 0-6 T 50. A gyromgnetic rtio of the electron revolving in circulr orbit of hydrogen tom is 8.8 x 0 0 kg -. Wht is the mss of the electron? Given chrge of the electron =.6x0-9 C () x 0-9 kg () 0. x 0-9 kg (3). x 0-9 kg (4) x 0-9 kg 5. Wht is the vlue of shunt resistnce required to convert glvnometer of resistnce 00Ω into n mmeter of rnge A? Give : Full scle deflection of the glvnometer is 5 ma. 5 () 9.95 9.95 () 5 (3) 0.5 Ω (4) 0.05 Ω 5. A circulr coil of rdius 0 cm nd 00 turns crries current A. Wht is the mgnetic moment of the coil? () 3.4 0 4 Am () 0 4 A m (3) 3.4 Am (4) 3 A m 53. A susceptibility of certin mgnetic mteril is 400. Wht is the clss of the mgnetic mteril? () Dimgnetic () Prmgnetic (3) Ferromgnetic (4) Ferroelectric
54. A solenoid of inductnce H crries current of A. Wht is the mgnetic energy stored in solenoid? () J () J (3) 4 J (4) 5 J 55. A multimeter reds voltge of certin A.C. source s 00 V. Wht is the pek vlue of voltge of A.C. source? () 00 V () 00 V (3) 4.4 V (4) 400 V 56. A series LCR circuit contins inductnce 5 mh, cpcitnce μf nd resistnce 0 Ω. If frequency A.C. source is vried, wht is the frequency t which mximum power is dissipted? 5 0 () Hz 0 5 () Hz 5 (3) 0 Hz 5 3 (4) 0 Hz 57. A step down trnsformer hs 50 turns on secondry nd 000 turns on primry winding. If trnsformer is connected to 0 V A A.C. source, wht is output current of the trnsformer? () A 0 () 0 A (3) 00 A (4) A 58. The verge power dissipted in A.C. circuit is wtt. If current flowing through circuit is A nd impednce is Ω, wht is the power fctor of the AC circuit? () 0.5 () (3) 0 (4) 59. A plne electromgnetic wve of frequency 0 MHz trvels through spce long x direction. If the electric field vector t certin point in spce is 6 V m -, wht is the mgnetic field vector t tht point?
() 0-8 T () 0 8 T (3) T (4) T 60. Two cpcitors of 0 PF nd 0 PF re connected to 00 V nd 00 V sourcees respectively. If they re connected by the wire, wht is the common potentil of the cpcitors? () 33.3 volt () 50 volt (3) 300 volt (4) 400 volt