Home JEE Main - Previous Year Papers JEE MAIN 2020 PAPER-1 The radius of gyration of a uniform rod of l…
JEE Main - Previous Year Papers JEE MAIN 2020 PAPER-1 Single Correct MCQ
Published on: August 14, 2026

The radius of gyration of a uniform rod of length about an axis passing through a point away from the center of the rod and perpendicular to its axis is

A
B

C
D

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The correct answer is:
A

Moment of inertia of rod about axis perpendicular to it passing through its centre is given by

Now, comparing with where is the radius of gyration

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