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If the length of a pendulum is made 9 ti...

If the length of a pendulum is made 9 times and mass of the bob is made 4 times then the value of time period becomes

A

3T

B

3/2T

C

4T

D

2T

Text Solution

Verified by Experts

The correct Answer is:
A
`T prop sqrtl`
T does not depend on mass
`T.=3T`.
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