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Physics - Fluid Question with Solution | TestHub

PhysicsFluidSurface TensionMedium2 minPYQ_2020

PhysicsMediumsingle choice

Water rises in a capillary tube of radius $r$ upto a height 'h'. The mass of water in a capillary is 'm'. The mass of water that will rise in a capillary of radius $\frac{r}{4}$ will be

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Answer:

Solution:

$hr =$ constant $∴$ rise of water in capillary of radius $\frac{r}{4}$ is $4 h$ Now, $π r^{2} h ρ = m$ $∴ π (\frac{r}{4})^{2} \times 4 h ρ = \frac{m}{4}$

Stream:MHT_CETSubject:PhysicsTopic:FluidSubtopic:Surface Tension

⏱ 2mℹ️ Source: PYQ_2020

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