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Question

The radius of gyration of a uniform circular disc of radius a, rotating about an axis perpendicular to the plane and passing through its centre of mass, is

घूर्णन करती हुई a त्रिज्या की समरूप वृत्तीय डिस्क के तल के लम्बवत् तथा इसके द्रव्यमान केन्द्र से गुजरने वाले अक्ष के सापेक्ष इसकी परिभ्रमण त्रिज्या है

A
a3
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B
a2
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C
a2
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D
a3
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Solution

The correct option is C a2
Solution

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