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The ratio of the radius of gyration of a thin uniform disc about an axis passing through its centre and normal to its plane to the radius of gyration of the disc about its diameter is :

(1) 4 : 1

(2) 1 : $\sqrt2$

(3) 2 : 1

(4) $\sqrt2$ : 1

1 Answer

Best answer

Correct answer is (4) $\sqrt2$ : 1

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