Physics · 2026
JEE Main · 2 April 2026, Shift 1 · Q45
A liquid drop of diameter 2 mm breaks into 512 droplets. The change in surface energy is α × 10^-6 J. The value of α is ____. (Take surface tension…
A liquid drop of diameter $\displaystyle 2$ mm breaks into $\displaystyle 512$ droplets. The change in surface energy is $\displaystyle \alpha \times 10^{-6} \mathrm{~J}$. The value of $\displaystyle \alpha$ is $\displaystyle \_\_\_\_$. (Take surface tension of liquid = $\displaystyle 0.08$ N/m)
Official answer
From NTA’s final answer key for this paper.
(2)
$\displaystyle 7$
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JEE Main 2026 Physics question, with the answer from NTA’s final answer key. Where our answers come from.