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Physics - Fluid Question with Solution | TestHub

PhysicsFluidSurface TensionMedium2 minPYQ_2021

PhysicsMediumsingle choice

The force required to take away a flat circular plate of radius 2 $cm$ from the surface of water is $[$ Surface tension of water $= 70 \times 1 0^{- 3} Nm^{- 1}, π = \frac{22}{7}]$

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Answer:

Solution:

The force required to take away circular plate due to surface tension $F = 2 π r T = 2 \times \frac{22}{7} \times 2 \times 1 0^{- 2} \times 70 \times 1 0^{- 3} = 8.8 \times 1 0^{- 3} N$

Stream:MHT_CETSubject:PhysicsTopic:FluidSubtopic:Surface Tension

⏱ 2mℹ️ Source: PYQ_2021

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