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A hollow sphere of simple pendulum is fi...

A hollow sphere of simple pendulum is first filled with mercury and then with water. The time periods are in the ratio of their densities are in the ratio `13.6 :1`

A

`1 : 1`

B

`1 : 2`

C

`1 : 13.6`

D

`13.6 : 1`

Text Solution

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The correct Answer is:
A
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