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Physics - Fluid Question with Solution | TestHub

PhysicsFluidSurface TensionMedium2 minPYQ_2023

PhysicsMediumsingle choice

Twenty seven droplets of water each of radius $0.1 mm$ merge to form a single drop then the energy released is

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Answer:

Solution:

From $W = 4 π r^{2} T (n - n^{2/3}) W = 4 π \times (0.1 \times 1 0^{- 3})^{2} \times 0.072 [27 - (3)^{2/3}] = 1.627 \times 1 0^{- 7} (T_{water} = 0.075 N / m)$

Stream:MHT_CETSubject:PhysicsTopic:FluidSubtopic:Surface Tension

⏱ 2mℹ️ Source: PYQ_2023

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