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Assertion : if the units of force and le...

Assertion : if the units of force and length are doubled, the unit of energy will be 4 times.
Reason : The unit of energy is independent of the units of force and length

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 a correct explanation of the Assertion.

C

If Assertion is true but the Reason is false.

D

If both, Assertion and Reason are false.

Text Solution

Verified by Experts

The correct Answer is:
(c )
Here, assertion is true, but reason is false. As Energy = Work = `F xx S` :. When the unit of force and length are doubled the unit of energy will becomes 4 times. Also, unit of energy depends upon force and length.
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Knowledge Check

  • If the units of force and length are doubled, then the unit of energy will be

    A
    2 times the original
    B
    4 times the original
    C
    `(1)/(4)` times the original
    D
    `(1)/(2)` times the original

  • The unit of force is

    A
    kg
    B
    N
    C
    Pa
    D
    `N//m^(2)`

  • If the units of M and L are doubled then the unit of kinetic energy will become

    A
    8 times
    B
    16 times
    C
    4 times
    D
    2 times