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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) $\sqrt{\frac{3}{8}},l$

Show Answer

Answer: (3)


Learning Progress: Step 36 of 70 in this series