NEET Phase-II 2016 physics questions with solutions

Showing 1–10 of 11 questions

• MCQmediumRotational Motionmoment of inertia and kinetic energy in pure rotation

  A solid sphere of mass m and radius R spins at angular speed ω about a diameter. A solid cylinder of equal mass and radius spins about its symmetry axis at 2ω. Find E(sphere): E(cylinder).

  Options

  • Option A

    2:3

  • Option B

    1:5

  • Option C

    1:4

  • Option D

    3:1

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• MCQmediumRotational Motionmoment of inertia and kinetic energy in pure rotation

  Two point masses m₁ and m₂ are attached to the ends of a light rod of length ℓ. Find the moment of inertia about a transverse axis through their centre of mass.

  Options

  • Option A

    m₁m₂ℓ²/(m₁+m₂)

  • Option B

    (m₁+m₂)ℓ²/(m₁m₂)

  • Option C

    (m₁+m₂)²

  • Option D

    √(m₁m₂)ℓ²

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• MCQmediumWork , Power and Energyquestion based on work

  A particle moves from (-2î + 5ĵ) m to (4ĵ + 3k̂) m under a constant force (4î + 3ĵ) N. Find the work done.

  Options

  • Option A

    8 J

  • Option B

    11 J

  • Option C

    5 J

  • Option D

    2 J

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• MCQmediumUnit dimension and errorDimensional Analysis

  Planck's constant h, speed of light in vacuum c and Newton's gravitational constant G are fundamental constants. Which combination has the dimension of length?

  Options

  • Option A

    √(hG)/c³ᐟ²

  • Option B

    √(hG)/c⁵ᐟ²

  • Option C

    √(hc)/G

  • Option D

    √(Gc)/h³ᐟ²

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

  A rigid ball of mass m strikes a rigid wall as shown at 60° to the normal, and rebounds symmetrically without losing speed v. The impulse imparted by the wall is:

  

  Options

  • Option A

    mv

  • Option B

    2mv

  • Option C

    mv/2

  • Option D

    mv/3

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• MCQmediumCircular Motionkinematics of circular motion

  In the shown figure, the total acceleration of a particle moving clockwise in a circle of radius R = 2.5 m is 15 m s⁻². The total acceleration makes an angle of 30° with the inward radial direction. Find the speed of the particle.

  

  Options

  • Option A

    4.5 m s⁻¹

  • Option B

    5.0 m s⁻¹

  • Option C

    5.7 m s⁻¹

  • Option D

    6.2 m s⁻¹

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• MCQmediumGravitationAcceleration Due to Gravity & Escape Velocity

  Starting from Earth’s centre (radius R), which graph correctly depicts the variation of gravitational acceleration g with distance r?

  Options

  • Option A

    
  • Option B

    
  • Option C

    
  • Option D

    

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• MCQeasyRotational Motionangular momentum in pure rotation and its conservation

  Rotating bodies A and B have inertias Iₐ and Iᵦ, with Iᵦ>Iₐ, but equal rotational kinetic energy. Compare angular momenta Lₐ and Lᵦ.

  Options

  • Option A

    Lₐ=Lᵦ/2

  • Option B

    Lₐ=2Lᵦ

  • Option C

    Lᵦ>Lₐ

  • Option D

    Lₐ>Lᵦ

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

  Identical balls A and B move with velocities +0.5 m s⁻¹ and -0.3 m s⁻¹ respectively and undergo a head-on elastic collision. Find the velocities of B and A after collision, respectively.

  Options

  • Option A

    -0.5 m/s and 0.3 m/s

  • Option B

    0.5 m/s and -0.3 m/s

  • Option C

    -0.3 m/s and 0.5 m/s

  • Option D

    0.3 m/s and 0.5 m/s

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

  A 10 g bullet travelling horizontally at 400 m s⁻¹ passes through a stationary 2 kg wooden block suspended as a pendulum. The block rises by 10 cm. Find horizontal speed of the emerging bullet (g=9.8 m s⁻²).

  Options

  • Option A

    100 m s⁻¹

  • Option B

    80 m s⁻¹

  • Option C

    120 m s⁻¹

  • Option D

    160 m s⁻¹

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