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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
- The primary and secondary coil of the transformer have 50 and 1500 turns respectively
- A solenoid 1.5 m long and 0.4 cm in diameter possesses 10 turns per cm length
- For inelastic collision between two spherical rigid bodies
- A car moves from X to Y with a uniform speed v(u) and returns to Y with a uniform speed
- An electron of a stationary hydrogen atom passes from the fifth energy level to
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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