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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
- A pellet of mass 1 g is moving with an angular velocity of 1 rad/s along a circle
- The angle of incidence for a ray of light at a refracting surface of a prism is 45⁰.
- A coil of resistance 20 ohm and inductance 5H is connected with a 100V battery
- To observed diffraction, the size of the obstacle
- A man goes 10 m towards north, then 20m towards east, the displacement 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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