AIPMT 1994 physics questions with solutions

Showing 1–10 of 12 questions

• MCQmediumNewtons law of motion and Frictionnewton second law and problem based on it

  A rocket burns fuel at rate 1 kg s⁻¹ and ejects exhaust with speed 60 km s⁻¹. Find thrust force on the rocket.

  Options

  • Option A

    6000 N

  • Option B

    60000 N

  • Option C

    60 N

  • Option D

    600 N

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• MCQmediumGravitationSatellites, Orbital Motion & Kepler’s Laws

  The distances of two planets from the Sun are 10¹³ m and 10¹² m, respectively. The ratio of their time periods is:

  Options

  • Option A

    1/√10

  • Option B

    100

  • Option C

    10√10

  • Option D

    √10

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• MCQmediumRotational Motioncombined translatory and rotatory motion ,Pure rolling motion

  A solid spherical ball rolls without slipping on a table. Find the ratio of its rotational kinetic energy to its total kinetic energy.

  Options

  • Option A

    1/2

  • Option B

    1/6

  • Option C

    7/10

  • Option D

    2/7

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• MCQmediumGravitationGravitation, Gravitational Field & Potential Energy

  If the gravitational force between two bodies were proportional to 1/R instead of 1/R², how would the orbital speed v of a particle in a circular orbit vary with radius R?

  Options

  • Option A

    R

  • Option B

    R⁰ (independent of R)

  • Option C

    1/R²

  • Option D

    1/R

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• MCQmediumWork , Power and Energyquestion based on work

  When a body moves at constant speed around a circle, which statement is correct?

  Options

  • Option A

    No net work is done on it.

  • Option B

    No acceleration is produced in it.

  • Option C

    Its velocity remains constant.

  • Option D

    No force acts on it.

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• MCQmediumWork , Power and Energykinetic energy and work energy theorem

  Kinetic energy acquired by mass m travelling distance d from rest under a constant force F is directly proportional to:

  Options

  • Option A

    m

  • Option B

    m⁰

  • Option C

    √m

  • Option D

    1/√m

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• MCQmediumUnit dimension and errorDimensional Analysis

  In a particular system, the units of length, mass and time are chosen to be 10 cm, 10 g and 0.1 s respectively. The unit of force in this system is equivalent to:

  Options

  • Option A

    0.1 N

  • Option B

    1 N

  • Option C

    10 N

  • Option D

    100 N

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• MCQmediumKinematics Part-1 (one dimension)Motion under constant acceleration

  A car accelerates from rest at a constant rate α for some time, after which it decelerates at a constant rate β and comes to rest. If the total time elapsed is t, then the maximum velocity acquired by the car is:

  Options

  • Option A

    [(α²+β²)/(αβ)]t

  • Option B

    [(α²-β²)/(αβ)]t

  • Option C

    [(α-β)/(αβ)]t

  • Option D

    [αβ/(α+β)]t

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• MCQmediumWork , Power and Energyquestion based on work

  A body is constrained to move along the y-axis and force F=(-2î+15ĵ+6k̂) N acts on it. Find the work for displacement 10ĵ m.

  Options

  • Option A

    150 J

  • Option B

    20 J

  • Option C

    190 J

  • Option D

    160 J

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• MCQmediumGravitationAcceleration Due to Gravity & Escape Velocity

  Earth’s radius is 6400 km, Mars’s radius is 3200 km, and Earth’s mass is ten times Mars’s mass. If a body weighs 200 N on Earth, what will it weigh on Mars?

  Options

  • Option A

    20 N

  • Option B

    8 N

  • Option C

    80 N

  • Option D

    40 N

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