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Physics - Fluid Question with Solution | TestHub

PhysicsFluidSurface TensionMedium2 minPYQ_2021

PhysicsMediumsingle choice

The surface energy of a liquid drop is ' $U$ '. It splits up into 512 equal droplets. The surface energy becomes

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Solution:

$\frac{4}{3} π R^{3} = 512 \times \frac{4}{3} π r^{3} ∴ r = \frac{R}{8} U = 4 π R^{2} T U^{'} = 512 \times 4 π r^{2} T = 512 \times \frac{4 π R ^{2} T}{64} = 8 (4 π R^{2} T) = 8 U$

Stream:MHT_CETSubject:PhysicsTopic:FluidSubtopic:Surface Tension

⏱ 2mℹ️ Source: PYQ_2021

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