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A simple pendulum has time period 3sec. ...

A simple pendulum has time period 3sec. The pendulum is completely immersed in a nonviscous liquid whose density is `1//10th` of that of the material of the bob. Then time perod of that pendulum is

A

`sqrt(3)`sec

B

3sec

C

`3/(sqrt(10))sec`

D

`sqrt(10)sec`

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The correct Answer is:
D
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