MHT CET Physics question

Physics Systems of Particles and Rotational Motion MHT CET

The following bodies have same mass which of them have largest M.I.?

(A)Ring - about an axis perpendicular to its planeCorrect
(B)Disc - about an axis perpendicular to its plane
(C)Solid sphere - about an axis passing through its centre
(D)Bar magnet - about an axis through its centre and perpendicular to its plane

Answer: (A)

Solution

For comparable dimensions, is for the ring, for the disc, for the solid sphere and only a small fraction

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Question ID VK-040196