Q: Five particles of mass 2 kg are attached to the rim of a circular disc of radius 0.1 m & negligible mass, Moment of inertia of the system about the axis passing through the centre of the disc & perpendicular to its plane is
(a) 1 kg-m2
(b) 0.1 kg-m2
(c) 2 kg-m2
(d) 0.2 kg-m2
Ans: (b)