Physics · 2026
JEE Main · 5 April 2026, Shift 2 · Q33
Eight mercury drops, each of radius r, coalesce to form a bigger drop. The surface energy released in this process is ____. (S is the surface tension…
Eight mercury drops, each of radius $\displaystyle r$, coalesce to form a bigger drop. The surface energy released in this process is $\displaystyle \_\_\_\_$. (S is the surface tension of mercury).
Official answer
From NTA’s final answer key for this paper.
(2)
$\displaystyle 16 \pi r^2 S$
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JEE Main 2026 Physics question, with the answer from NTA’s final answer key. Where our answers come from.