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The length of a pendulum is halved. Its ...

The length of a pendulum is halved. Its energy will be

A

decreased to half

B

increased to 2 times

C

decreased to one fourth

D

increased to 4 times

Text Solution

Verified by Experts

The correct Answer is:
B
`Eprop(1)/(l)`
`(E_(2))/(E_(1))=(l_(1))/(l_(2))=2`
`E_(2)=2E_(1)`
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