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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
- Which wavelengths of sun is used finally as electric energy?
- When a bullet of mass 10 g and speed 100 ms⁻¹ penetrates up to distance 1 cm
- If the band gap between valence band and conduction band in a material is 5.0 eV,
- An iron rod of volume 10⁻⁴ m³ and relative permeability 1000 is placed inside a long
- The nuclear fusion reaction between deutrium and tritium takes place
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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