The radius of gyration of a uniform rod of length

PHYSICS · Single correct · CBSE · Physics · System of Particles and Rotational Motion · System of Particles and Rotational Motion

Problem

l

, about an axis passing through a point

\frac{l}{4}

away from the centre of the rod, and perpendicular to it, is: (1)

\frac{1}{4}l

(2)

\frac{1}{8}l

(3)

\sqrt{\frac{7}{48}}l

(4)

\sqrt{\frac{3}{8}}l