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The period of simple pendulum whose bob ...

The period of simple pendulum whose bob is a hollow mentallic sphere is 'T'. The period is `T_(1)` when the bob is filled with sand ,` T_(2)` when the bob is filled with mercury and `T_(3)` when it is half filled with sand then

A

`T=T_(1)+T_(2)gtT_(3)`

B

`T_(1)=T_(2)gtT_(3)gtT`

C

`T_(1)gtT_(3)gtT_(1)=T_(2)`

D

`T=T_(1)=T_(2)ltT_(3)`

Text Solution

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The correct Answer is:
D
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