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A solid sphere is rotating in free space.If the radius of the sphere is increased keeping mass same which one of the following will not be affected?
Options
(a) moment of inertia
(b) angular momentum
(c) angular velocity
(d) rotational kinetic energy
Correct Answer:
angular momentum
Explanation:
Talking the same mass of sphere, if radius is increased, then moment of inertia, rotational kinetic energy and angular velocity will change but according to law of conservation of momentum, angular momentum will not change.
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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 total radiant energy per unit area, normal to the direction of incidence
- The current in a conductor varies with time t as I=2t+3t² Where I is in amperes
- The work function of a substance is 4.0 eV. The longest wavelength of light
- What will be the ratio of the distance moved by a freely falling body from rest in 4th
- If a solid ball of metal has a concentric spherical cavity with in it if the ball
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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