The ratio of the radii of gyration of a circular disc about a tangential axis in...

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The ratio of the radii of gyration of a circular disc about a tangential axis in the plane of the disc and of a circular ring of the same radius about a tangential axis in the plane of the ring is (a) 2:3 (c) √√5:√6 (b) 2:1 (d)1:√2 The ratio of the radii of gyration of a circular disc about a tangential axis in the plane of the disc and of a circular ring of the same radius about a tangential axis in the plane of the ring is (a) 2:3 (c) √√5:√6 (b) 2:1 (d)1:√2

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