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From a disc of radius R, a concentric circular portion of radius r is cut-out so as to leave an annular disc of mass M. The moment of inertial of this annular disc about the axis perpendicular to its plane and passing through its centre of gravity is
Options
(a) M/2(R²+r²)
(b) M/2(R²-r²)
(c) M/2(R⁴+r⁴)
(d) M/2(R⁴-r⁴)
Correct Answer:
M/2(R²+r²)
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
- An object placed at 20 cm in front of a concave mirror produces three times
- In which of the following systems will the radius of the first orbit (n=1) be minimum?
- The electrons are emitted in the photoelectric effect from a metal surface
- If L and C denote inductance and capacitance,then the dimensions of L-C are
- α- particles, β – particles and γ – rays are all having same energy.
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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