NEET2018Physics-Rotational Motion
NEET 2018 Physics Conservation of Angular Momentum MCQ Question
Type: MCQ-conceptual-Medium-Class 11
A solid sphere is rotating freely about its symmetry axis in free space. The radius of the sphere is increased keeping its mass same. Which of the following physical quantities would remain constant for the sphere?
A
Angular velocity
B
Moment of inertia
C
Rotational kinetic energy
D
Angular momentum
Correct Answer
Option D
Detailed Explanation
Angular momentum remains constant due to the conservation of angular momentum, as there is no external torque.
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