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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
Related Questions: - The diameter of the eye ball of a normal eye is about 2.5 cm. The power of the eye
- The flux linked with a coil at any intant t is given by ?=10t² – 50t + 250
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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 diameter of the eye ball of a normal eye is about 2.5 cm. The power of the eye
- The flux linked with a coil at any intant t is given by ?=10t² – 50t + 250
- Which one of the following statement is FALSE ?
- A circular disc X of radius R is made from an iron plate of thickness t and another disc
- Maximum velocity of the photoelectron emitted by a metal is 1.8×10⁶ ms⁻¹.
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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