The ratio of the radii of gyration of a circular disc to that of a circular ring, each of same mass and radius, around their respective axes is
- A$$\sqrt 2 :1$$
- B$$\sqrt 2 :\sqrt 3 $$
- C$$\sqrt 3 :\sqrt 2 $$
- D$$1:\sqrt 2 $$
✓ Correct answer: D
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