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Solution - Career Point

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MOCK TEST - AIEEE PATTERNSYLLABUS : Physics : Full syllabus Chemistry : Full syllabus Mathematics : Full syllabusTime : 3 Hours Total Marks : 432Instructions :• Part A – Physics (144 Marks) – Questions No. 1 to 2 and 9 to 30 consist FOUR (4) marks each and Question No.3 to 8 consist EIGHT (8) marks each for each correct response.Part B – Chemistry (144 Marks) – Questions No. 31 to 39 and 46 to 60 consist FOUR (4) marks each andQuestion No. 40 to 45 consist EIGHT (8) marks each for each correct response.Part C – Mathematics (144 Marks) – Questions No.61 to 82 and 89 to 90 consist FOUR (4) marks each andQuestion No. 83 to 88 consist EIGHT (8) marks each for each correct response• For each incorrect response, ¼ (one fourth) of the weightage marks allotted of the would be deducted.PHYSICS1. An P-N-P transistor circuit is arranged as shown. It isa –VPNPR L = 10 KV(A) common base amplifier circuit(B) common-emitter amplifier circuit(C) common-collector circuit(D) None2. A tuning fork and an air column in resonance tubewhose temperature is 51°C produces 4 beats in 1second when sounded together. When thetemperature of the air column decreases, the numberof beats per second decreases. When the temperatureremains 16°C, only 1 beat per second is produced.Then the frequency of the tuning fork is -(A) 55 Hz(B) 50 Hz(C) 68 Hz(D) none3. For wave propagation wrong statement is -(A) The wave intensity remains constant for a planewave(B) The wave intensity decreases as the inverse of thedistance from the source for a spherical wave(C) The wave intensity decreases as the inversesquare of the distance from the source forspherical wave(D) Total intensity of the spherical wave over thespherical surface centered at the source remainsconstant at all times4. Statement-1: Temperature of the body is loweredconsiderably if we put wet clothes.Statement -2: Specific heat of water is high.(A) Both statement -1 and statement -2 are trueand statement -2 is a correct explanation ofthe statement -1(B) Both statement -1 and statement -2 are truebut statement -2 is not a correct explanationof the statement -1(C) Both statement -1 and statement -2 arefalse(D) statement -1 is false but the statement -2 istrue.5. An observer starts moving with uniform acceleration atoward a stationary sound source emitting a whistle offrequency n. As the observer approaches source, theapparent frequency n' heard by the observer varieswith time as –(A)(C)n'n'timetime(B)(D)n'n'timetime6. The main scale of a spectrometer is divided into720 divisions in all. If the vernier scale consists of30 divisions, the least count of the instrument is(30 division of vernier scale coincide with29 division of main scale) -(A) 0.1°(B) 1''(C) 1'(D) 0.1''XtraEdge for IIT-JEE 69APRIL 2010

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