Physics · 2022
JEE Main · 28 June 2022, Shift 1 · Q36
A water drop of diameter 2 cm is broken into 64 equal droplets. The surface tension of water is 0.075 N / m. In this process the gain in surface…
A water drop of diameter $\displaystyle 2$ cm is broken into $\displaystyle 64$ equal droplets. The surface tension of water is $\displaystyle 0.075 \mathrm{~N} / \mathrm{m}$. In this process the gain in surface energy will be :
Official answer
(1)
$\displaystyle 2.8 \times 10^{-4} \mathrm{~J}$
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JEE Main 2022 Physics question, with the answer from NTA’s final answer key. Where our answers come from.