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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
- In circular coil, when number of turns is doubled and resistance becomes 1/4th
- If F⃗ is the force acting on a particle having position vector r⃗ and ? ⃗ be the torque
- Bragg’s law for X-rays is
- Fusion reaction takes place at high temperature because
- When the length of the vibrating segment of a sonometer wire is increased by
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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