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The ratio of the radii or gyration of a circular disc to that of a circular ring, each of same mass and radius, around their respective axes is:
Options
(a) √3 : √2
(b) 1 : √2
(c) √2 : 1
(d) √2 : √3
Correct Answer:
1 : √2
Explanation:
The radius of gyration of a ociruclar ring K’ = R (Since both have the same mass and radius)
K / K’ = R / (√2 / R) = 1 / √2
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Topics: Motion of system of Particles and Rigid Body
(73)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Work done by an external agent in separating the parallel plate capacitor is
- A small rod of bismuth is suspended freely between the poles of a strong electromagnet.
- An alpha nucleus of energy 1/2 mv² bombards a heavy nuclear target of charge Ze
- The difference in the variation of resistance with temperature in a metal
- Two spheres A and B of masses m and m respectively collide. A is at rest initially
Topics: Motion of system of Particles and Rigid Body (73)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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