defence exam Army Havildar SAC Mock Test Series 2025 Physics Rotational Motion

The ratio of radius of gyration of a circular ring and hollow sphere about its geometrical centre is ______ if radius of both ring and sphere is R.

1
\(\frac{1}{2}\)
2
\(\frac{5}{2}\)
3
\(\frac{3}{2}\)
4
\(\frac{7}{2}\)
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