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The radius of gyration of a hollow spher...

The radius of gyration of a hollow sphere of radius R about an axis along its tangent is

A

1 : 2 `sqrt 2`

B

2`sqrt 2` : 1

C

1 : `sqrt 2`

D

`sqrt 2` : 1

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AAKASH INSTITUTE ENGLISH-TEST 4-EXAMPLE
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