Physics · 2026
JEE Main · 24 January 2026, Shift 1 · Q34
A cylindrical block of mass M and area of cross section A is floating in a liquid of density ρ and with its axis vertical. When depressed a little…
A cylindrical block of mass $\displaystyle M$ and area of cross section $\displaystyle A$ is floating in a liquid of density $\displaystyle \rho$ and with its axis vertical. When depressed a little and released the block starts oscillating. The period of oscillation is $\displaystyle \_\_\_\_$.
Official answer
From NTA’s final answer key for this paper.
(1)
$\displaystyle 2 \pi \sqrt{\frac{M}{\rho A g}}$
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JEE Main 2026 Physics question, with the answer from NTA’s final answer key. Where our answers come from.