AIPMT Mains 2010 physics questions with solutions

Showing 1–5 of 5 questions

• MCQmediumGravitationSatellites, Orbital Motion & Kepler’s Laws

  What extra energy must be supplied to transfer a satellite of mass m from a circular orbit of radius R₁ to another circular orbit of radius R₂>R₁ around a planet of mass M?

  Options

  • Option A

    GMm(1/R₂²-1/R₁²)

  • Option B

    GMm(1/R₁-1/R₂)

  • Option C

    2GMm(1/R₁-1/R₂)

  • Option D

    (GMm/2)(1/R₁-1/R₂)

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• MCQmediumRotational Motionangular impulse in pure rotation and rotational collision

  A thin circular ring of mass M and radius R rotates at angular speed ω. Two small particles each mass m are gently fixed at opposite ends of a diameter. Find final angular speed.

  Options

  • Option A

    ω(M-2m)/(M+2m)

  • Option B

    Mω/(M+2m)

  • Option C

    ω(M+2m)/M

  • Option D

    Mω/(M+m)

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• MCQmediumRotational Motionmoment of inertia and kinetic energy in pure rotation

  A concentric circular disc of mass M and radius R/3 is removed from a disc of mass 9M and radius R. Find the moment of inertia of the remaining annular disc about its central perpendicular axis.

  Options

  • Option A

    (40/9)MR²

  • Option B

    MR²

  • Option C

    4MR²

  • Option D

    (4/9)MR²

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• MCQeasyRotational Motionrolling on inclined surface

  A solid cylinder and a hollow cylinder of equal mass and outer diameter start together from the same height on an incline and roll without slipping. Which reaches the bottom first?

  Options

  • Option A

    both together only at 45°

  • Option B

    both together

  • Option C

    hollow cylinder

  • Option D

    solid cylinder

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• MCQmediumUnit dimension and errorError and its addition ,subtraction,multiplication and division

  A student measures the distance traversed in free fall of a body, initially at rest, in a given time. He uses this data to estimate g. If the maximum percentage errors in measurement of distance and time are e₁ and e₂ respectively, the percentage error in the estimation of g is:

  Options

  • Option A

    e₂-e₁

  • Option B

    e₁+2e₂

  • Option C

    e₁+e₂

  • Option D

    e₁-2e₂

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