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?

1. A. Rotational kinetic energy
2. B. Moment of inertia
3. C. Angular velocity
4. D. Angular momentum

Attempt this NEET 2018 Physics question free — pick an option to reveal the correct answer and a step-by-step explanation. Then join NEET Mastery Quest to practise 15,000+ PYQ and 2027-syllabus questions.