Physics · 2017
JEE Main · 9 April 2017, Shift 1 · Q6
A circular hole of radius R/4 is made in a thin uniform disc having mass M and radius R, as shown in figure. The moment of inertia of the remaining…
A circular hole of radius $\displaystyle \frac{R}{4}$ is made in a thin uniform disc having mass M and radius R, as shown in figure. The moment of inertia of the remaining portion of the disc about an axis passing through the point O and perpendicular to the plane of the disc is :
Official answer
(2)
$\displaystyle \frac{237 \mathrm{MR}^2}{512}$
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JEE Main 2017 Physics question, with the answer from NTA’s final answer key. Where our answers come from.