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Physics - Fluid Question with Solution | TestHub

PhysicsFluidSurface TensionMedium2 minPYQ_2022

PhysicsMediumsingle choice

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

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Answer:

Solution:

The height of water column in a capillary tube is given by $h = \frac{2 T c o s θ}{perg}$ From eqs. (i) and (ii), we get $m \propto r^{2} \times \frac{1}{r} m \propto r \Rightarrow \frac{m ^{'}}{m} = \frac{\frac{r}{4}}{r} \Rightarrow m^{'} = \frac{m}{4}$

Stream:MHT_CETSubject:PhysicsTopic:FluidSubtopic:Surface Tension

⏱ 2mℹ️ Source: PYQ_2022

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