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A solid sphere of mass M, radius R and having moment of inertia about an axis passing through the centre of mass as I, is recast into a disc of thickness t, whose moment of inertia about an axis passing through its edge and perpendicular to its plane remains I. Then, radius of the disc will be
Options
(a) 2R/√15
(b) R√2/15
(c) 4R/√15
(d) R/4
Correct Answer:
2R/√15
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - A car of mass m is moving on a level circular track of radius R
- In a tangent galvanometer, a current of 0.1 A produces a deflection of 30⁰.
- The current in the coil of inductance 5H decreases at the rate of 2 A/s
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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 car of mass m is moving on a level circular track of radius R
- In a tangent galvanometer, a current of 0.1 A produces a deflection of 30⁰.
- The current in the coil of inductance 5H decreases at the rate of 2 A/s
- A coil of resistance 20 ohm and inductance 5H is connected with a 100V battery
- In a uniform circular motion,
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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