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Physics - Fluid Question with Solution | TestHub

PhysicsFluidSurface TensionMedium2 minPYQ_2020

PhysicsMediumsingle choice

A capillary tube of radius $r$ is immersed in water and water rises in it to a height $h$ . The mass of the water in the capillary is $5 g$ . Another capillary tube of radius $2 r$ is immersed in water. The mass of water that will rise in this tube is:NEET 2020 (Phase 1)

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Answer:

Solution:

The relation between mass and radius of the capillary tube is given by, $\begin{array}{l} m \propto r \end{array}$

$\begin{array}{l} \Rightarrow \frac{m_{2}}{m_{1}} = \frac{r_{2}}{r_{1}} \end{array}$

$\Rightarrow \frac{m_{2}}{5} = \frac{2 r}{r}$

$\Rightarrow m_{2} = 10 g$

Stream:NEETSubject:PhysicsTopic:FluidSubtopic:Surface Tension

⏱ 2mℹ️ Source: PYQ_2020

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