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Keeping the mass of earth as constant, i...

Keeping the mass of earth as constant, if its radius is reduced to `1//4^(th)` of its initial value, then the period of revolution of earth about its own axis and passing through the centre, in hours, is. Assume earth to be a solid sphere and its initial period of rotation as 24 hrs.

A

`1.5`

B

`12`

C

`3`

D

`6`

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The correct Answer is:
A
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