JEE PYQ: Rotational Motion Question 36
Question 36 - 2020 (07 Jan Shift 1)
The radius of gyration of a uniform rod of length $l$, 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) $\sqrt{\frac{3}{8}},l$