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The radius of gyration of a solid sphere...

The radius of gyration of a solid sphere of radius R about a certain axis is also equal to R. If r is the distance between the axis and the centre of the sphere, then r is equal to

A

R

B

0.5R

C

`sqrt(0.6)R`

D

`sqrt(0.3)R`

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The correct Answer is:
C
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