Assertion : The velocity of a boy at the bottom of an inclined plane of given height is more when it slides down the plane, compared to, when it rolling down the same plane.

Reason : In rolling down a body acquires both, kinetic energy of translation and rotation.

• A

  If both assertion and reason are true and reason is a true explanation of assertion.

• B

  If both assertion and reason are true but reason is not the correct explanation of assertion

• C

  If assertion is true but reason is false.

• D

  If both assertion and reason are false.