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?
Text Solution
Verified by ExpertsThe correct answer is:
D
: As there is no external torque acting on a sphere, i . e ., 
So, 
i . e ., 
constant
So angular momentum remains constant.
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