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Question

Two thin uniform rings made up of same material have moment of inertia, about an axis passing through the centre and perpendicular to its plane, in the ratio 1 : 8. The ratio of their radii is

समान पदार्थ से निर्मित दो पतली समरूप वलयों का केन्द्र से गुजरने वाले तथा इसके तल के लम्बवत् अक्ष के सापेक्ष जड़त्व आघूर्ण का अनुपात 1 : 8 है। इनकी त्रिज्या का अनुपात है

A
8 : 1
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B
1:22
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C
4 : 1
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D
1 : 2
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Solution

The correct option is D 1 : 2
Solution

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