Physics · 2014
JEE Main · 12 April 2014, Shift 1 · Q10
Two soap bubbles coalesce to form a single bubble. If V is the subsequent change in volume of contained air and S the change in total surface area, T…
Two soap bubbles coalesce to form a single bubble. If V is the subsequent change in volume of contained air and S the change in total surface area, T is the surface tension and P atmospheric pressure, which of the following relation is correct ?
Official answer
(2)
$\displaystyle 3 \mathrm{PV}+4 \mathrm{ST}=0$
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JEE Main 2014 Physics question, with the answer from NTA’s final answer key. Where our answers come from.