AIPMT 1995 physics questions with solutions

Showing 1–10 of 10 questions

• MCQmediumGravitationGravitation, Gravitational Field & Potential Energy

  What relation connects Earth’s mean density ρ and its surface gravity g, given Earth’s radius R and G?

  Options

  • Option A

    ρ=3g/(4πGR)

  • Option B

    ρ=3g/(4πGR³)

  • Option C

    ρ=4πgR²/(3G)

  • Option D

    ρ=4πgR³/(3G)

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• MCQeasyUnit dimension and errorDimension and its application

  Which of the following is a dimensional constant?

  Options

  • Option A

    Refractive index

  • Option B

    Poisson's ratio

  • Option C

    Relative density

  • Option D

    Gravitational constant

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• MCQeasyCircular Motionkinematics of circular motion

  Two racing cars of masses m and 4m move in circles of radii r and 2r and each completes one revolution in the same time. Find ratio of angular speeds of the first and second cars.

  Options

  • Option A

    8:1

  • Option B

    4:1

  • Option C

    2:1

  • Option D

    1:1

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• MCQmediumWork , Power and Energyconservative force and potential energy

  For two atoms separated by x, potential energy is U(x)=a/x¹²-b/x⁶, with a, b>0. Find their stable equilibrium separation.

  Options

  • Option A

    (2a/b)¹ᐟ⁶

  • Option B

    (11a/5b)¹ᐟ⁶

  • Option C

    0

  • Option D

    (a/2b)¹ᐟ⁶

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• MCQeasyMathematical tools and vectorVectors

  Which of the following is NOT a vector quantity?

  Options

  • Option A

    Speed

  • Option B

    Velocity

  • Option C

    Torque

  • Option D

    Displacement

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• MCQmediumGravitationGravitation, Gravitational Field & Potential Energy

  Two equal particles, each of mass m, revolve in a circle of radius R under mutual gravitational attraction. What is the speed v of each particle?

  Options

  • Option A

    ½√(Gm/R)

  • Option B

    √(4Gm/R)

  • Option C

    (1/2R)√(1/Gm)

  • Option D

    √(Gm/R)

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• MCQmediumCircular Motionkinematics of circular motion

  A particle has position vector r = a cos(ωt)î + a sin(ωt)ĵ. Its velocity is:

  Options

  • Option A

    directed towards the origin

  • Option B

    directed away from the origin

  • Option C

    parallel to its position vector

  • Option D

    perpendicular to its position vector

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• MCQeasyGravitationAcceleration Due to Gravity & Escape Velocity

  Earth’s surface escape speed is vₑ. From a planet having three times Earth’s mass and three times Earth’s radius, escape speed will be:

  Options

  • Option A

    vₑ

  • Option B

    3vₑ

  • Option C

    9vₑ

  • Option D

    vₑ/3

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• MCQmediumGravitationGravitation, Gravitational Field & Potential Energy

  Earth (mass 6×10²⁴ kg) revolves around the Sun with angular speed 2×10⁻⁷ rad s⁻¹ in a circular orbit of radius 1.5×10⁸ km. The force exerted by the Sun on Earth, in newtons, is:

  Options

  • Option A

    36×10²¹

  • Option B

    27×10³⁹

  • Option C

    zero

  • Option D

    18×10²³

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• MCQmediumWork , Power and Energykinetic energy and work energy theorem

  If momentum of a body increases by 50%, find percentage increase in kinetic energy.

  Options

  • Option A

    50%

  • Option B

    100%

  • Option C

    125%

  • Option D

    200%

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