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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
- In which of the follows decays, the element does not change?
- The angle between the two vectors A = 3i+4j+5k and B = 3i+4j-5k will be
- A disc of mass 100 g is kept floating horizontally in air by firing bullets
- The half life of radium is about 1600 year. Of 100 gram of radium existing now
- A coin of mass m and radius r having moment of inertia I about the axis passes
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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