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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
- Consider two concentric spherical metal shells of radii r₁ and r₂( r₂>r₁). If the outer
- A vibration magnetometer placed in magnetic meridian has a small bar magnet
- A bus is moving with a velocity of 5 ms⁻¹ towards a huge wall.
- The threshold frequency for a certain photosensitive metal is ν₀. When it is illuminated
- Masses of 3 wires of same metal are in the ratio 1:2:3 and their lengths
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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