Physics · 2026
JEE Main · 23 January 2026, Shift 1 · Q29
The moment of inertia of a square loop made of four uniform solid cylinders, each having radius R and length L( R < L ) about an axis passing through…
The moment of inertia of a square loop made of four uniform solid cylinders, each having radius $\displaystyle R$ and length $\displaystyle L(\mathrm{R}<\mathrm{L})$ about an axis passing through the mid points of opposite sides, is (Take the mass of the entire loop as $\displaystyle M$ ) :
Official answer
From NTA’s final answer key for this paper.
(2)
$\displaystyle \frac{3}{8} M R^2+\frac{1}{6} M L^2$
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JEE Main 2026 Physics question, with the answer from NTA’s final answer key. Where our answers come from.