The M.I. of uniform circular disc about a diameter is I. its M.I. about an axis perpendicular to its plane passing through a point on its rim will be (a) 4 I (b) 6 I (c) 8 I (d) 9 I Answer
Correct option is C) Let M and R be the mass and radius of the disc respectively. Moment of inertia about AB is I. Moment of inertia about an axis passing through O and perpendicular to the plane, I O = 2 1 MR 2