Mechanical Properties of Fluids: JEE Mains 2022, June 28 - Shift 1

Medium· Surface tension and capillarity· +4 / −1
A drop of radius 2 cm2\ \text{cm} is broken into 6464 equal drops. Find the gain in surface energy. The surface tension of water is 0.075 N/m0.075\ \text{N/m}.
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