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What will be the kinetic energy of a bod...

What will be the kinetic energy of a body when its velocity is halved ?

A

Double

B

Half

C

Four times,

D

One-fourth.

Text Solution

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The correct Answer is:
D
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Knowledge Check

  • What will be the kinetic energy of a substance when its velocity is doubled ?

    A
    Double
    B
    Half
    C
    Four times,
    D
    One-fourth.
  • Assertion : A kinetic energy of a body is quadrupled, when its velocity is doubled. Reason : Kinetic energy is proportional to square of velocity

    A
    If both assertion and reason are true and the reason is the correct explanation of the assertion
    B
    If both assertion and reason are true but reason is not the correct explanation of the assertion
    C
    If asserti on is true but reason is false
    D
    If the assertion and reason both are false
  • Assertion : A kinetic energy of a body is quadrupled, when its velocity is doubled. Reason : Kinetic energy is proportional to square of velocity.

    A
    If both assertion and reason are true and the reason is the correct explanation of the assertion.
    B
    If both assertion and reason are true but reason is not the correct explanation of the assertion.
    C
    If assertion is true but reason is false.
    D
    If the assertion and reason both are false.
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