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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 resistance of 20 ohm is connected to a source of an alternating potential V
- A nucleus at rest splits into two nuclear parts having radii in the ratio 1:2.
- Three objects coloured black, gray and white can withstand hostile conditions upto 2800⁰C.
- For principal quantum number n=3, the possible values of orbital quantum number
- The half life of a radioactive isotope ‘X’ is 20 years. It decays to another element Y
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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