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A simple pendulum has a time period T(1)...

A simple pendulum has a time period `T_(1)` when on the earth.s surface and `T_(2)` when it taken a height .R. above the earth.s surface, where .R. is the radius of the earth. The value of `T_(2)//T_(1)` is

A

`1`

B

`sqrt(2)`

C

`4`

D

`2`

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The correct Answer is:
D
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