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A coin of mass m and radius r having moment of inertia I about the axis passes through its centre and perpendicular to its plane. It is beaten uniformly to form a disc of radius 2r. What will be the moment of inertia about the same axis?
Options
(a) I
(b) 2I
(c) 4I
(d) 16I
Correct Answer:
4I
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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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
- Energy of photon whose frequency is 10¹² MHz will be
- A vibration magnetometer placed in magnetic meridian has a small bar magnet
- Charge q is uniformly spread on a thin ring of radius R. The ring rotates
- The surface tension of soap solution is 0.03 N/m. The work done in blowing to form a soap
- If μᵥ=1.5230 and μʀ=15.145, then dispersive power of crown glass is
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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