AIPMT Screening 2012 physics questions with solutions

Showing 1–10 of 11 questions

• MCQmediumRotational Motioncombined translatory and rotatory motion ,Pure rolling motion

  A solid cylinder of mass 3 kg rolls at 4 m/s on a horizontal surface, compressing a spring of force constant 200 N/m. Find maximum compression.

  Options

  • Option A

    0.5 m

  • Option B

    0.6 m

  • Option C

    0.7 m

  • Option D

    0.2 m

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• MCQeasyRotational Motionangular momentum in pure rotation and its conservation

  A point mass rotates in a plane about a fixed point. Its angular momentum is directed along:

  Options

  • Option A

    a line perpendicular to the plane of rotation

  • Option B

    a line at 45° to the plane

  • Option C

    the radius

  • Option D

    the tangent to the orbit

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• MCQmediumGravitationAcceleration Due to Gravity & Escape Velocity

  A spherical planet has mass Mₚ and diameter Dₚ. What acceleration due to gravity does a freely falling particle experience near its surface?

  Options

  • Option A

    4GMₚ/Dₚ²

  • Option B

    GMₚm/Dₚ²

  • Option C

    GMₚ/Dₚ²

  • Option D

    4GMₚm/Dₚ²

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• MCQmediumKinematics part-2 Projectile MotionMotion in 2-D and ground to ground projectile

  The horizontal range and the maximum height of a projectile are equal. The angle of projection is:

  Options

  • Option A

    θ = tan⁻¹(1/4)

  • Option B

    θ = tan⁻¹(4)

  • Option C

    θ = tan⁻¹(2)

  • Option D

    θ = 45°

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• MCQmediumKinematics part-2 Projectile MotionMotion in 2-D and ground to ground projectile

  A particle has initial velocity (2i + 3j) and acceleration (0.3i + 0.2j). The magnitude of its velocity after 10 s is:

  Options

  • Option A

    9√2 units

  • Option B

    5√2 units

  • Option C

    5 units

  • Option D

    9 units

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• MCQmediumRotational Motiontorque and rotational equilibrium

  In the shown equilateral triangle ABC with centre O, forces F₁, F₂ and F₃ act along the directed sides AB, BC and AC. If net torque about O vanishes, find F₃.

  

  Options

  • Option A

    F₁+F₂

  • Option B

    F₁-F₂

  • Option C

    (F₁+F₂)/2

  • Option D

    2(F₁+F₂)

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• MCQmediumCircular Motionfriction and circular motion

  A 1000 kg car takes a frictionless banked circular curve of radius 90 m and banking angle 45°. Find speed using g=10 m s⁻².

  Options

  • Option A

    20 m s⁻¹

  • Option B

    30 m s⁻¹

  • Option C

    5 m s⁻¹

  • Option D

    10 m s⁻¹

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• MCQmediumGravitationAcceleration Due to Gravity & Escape Velocity

  At what height above Earth’s surface does a body’s weight become 1/16 of its surface weight (Earth radius R)?

  Options

  • Option A

    5R

  • Option B

    15R

  • Option C

    3R

  • Option D

    4R

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• MCQmediumCenter of maas , Momentum and Collisioncollision and types of collision

  Sphere A (mass m₁) is initially at rest; B (mass m₂) initially moves at speed v along +x. After collision B moves at speed v/2 along +y. The direction of A after collision makes what angle with the x-axis?

  Options

  • Option A

    same as the motion of B

  • Option B

    opposite to the motion of B

  • Option C

    tan⁻¹(1/2) below the +x-axis

  • Option D

    tan⁻¹(-1/2) to the +y-axis

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• MCQmediumWork , Power and Energyconservative force and potential energy

  The potential energy of a particle is U(r)=A/r²-B/r, where A, B>0. Find distance for stable equilibrium.

  Options

  • Option A

    B/(2A)

  • Option B

    2A/B

  • Option C

    A/B

  • Option D

    B/A

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