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The angular speed of a body changes from...

The angular speed of a body changes from `omega_1` to `omega_2` without applying a torque but due to change in its moment of inertia. The ratio of radii of gyration in the two cases is :-

A

`sqrtomega_(2): sqrtomega_(1)`

B

`sqrtomega_(1): sqrtomega_(2)`

C

`omega_(1): omega_(2)`

D

`omega_(1): omega_(2)`

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The correct Answer is:
A
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