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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
- The wavelength of light emitted from second orbit to first orbit in a hydrogen atom is
- Perfectly black body radiates the energy 18 J/s at 300K. Another ordinary body of e=0.8
- When temperature of an ideal gas is increased from 27⁰C to 227⁰C,
- Water flows through a pipe. The area of cross-section at one place A₁=10 cm²,
- For a normal eye, the cornea of eye provides a converging power 40 D and the least
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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