JEE Main 2022 · 26 Jul · Shift 2 · Physics Q52

PhysicsInteger+4 / -1Question 52 of 90

The radius of gyration of a cylindrical rod about an axis of rotation perpendicular to its length and passing through the center will be ______ m.

Given, the length of the rod is $10\sqrt3$ m.

Your answer

Answer and worked solution

Official answer: 5

Thin rod about its centre: $K=\frac L{\sqrt{12}}=\frac{10\sqrt3}{2\sqrt3}=5$ m.

Answer: 5

JEE Main 2022 · 26 Jul · Shift 2, Physics question 52