A Moment of inertial of uniform disc and solid cylinder of equal mass and equal radius about an axis passing through centre and perpendicluar to plane will to same.
Moment of inertia depends upon distribution of mass from the axis of rotation i.e., perpendicular distance from the axis.

Options

A. If both assertion and reason are true and reason is the correct explanation of assertion.
B. If both assertion and reason are reason are true but reason is not the correct explanation of assertion.
C. If assertion is true but reason is false
D. If both assertion and reason are false.

Answer

A

Explanation

(a) `I = Sigma mr^2`
.