SURFACE TENSION

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Q JEE MAIN 2023

There is an air bubble of radius 1.0 mm in a liquid of surface tension $0.075 \mathrm{Nm}^{-1}$ and density 1000 kg $\mathrm{m}^{-3}$ at a depth...

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Q JEE MAIN_2023

A mercury drop of radius $10^(–3)$ m is broken into 125 equal size droplets. Surface tension of mercury is 0.45 $Nm^(–1)$. The gain in surface...

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Q JEE MAIN 2023

The height of liquid column raised in a capillary tube of certain radius when dipped in liquid A vertically is, 5 cm . If the...

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Q JEE MAIN 2023

If 1000 droplets of water of surface tension $0.07 \mathrm{~N} / \mathrm{m}$. having same radius 1 mm each, combine to from a single drop. In...

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Q JEE MAIN 2023

Surface tension of a soap bubble is $2.0 \times 10^{-2} \mathrm{Nm}^{-1}$. Work done to increase the radius of soap bubble from 3.5 cm to 7...

JEE Main Physics Easy

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Q JEE MAIN 2024

Given below are two statements:
Statement I : If a capillary tube is immersed first in cold water and then in hot water, the height...

JEE Main Physics Hard

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Q JEE MAIN 2025

Two water drops each of radius ' $r$ ' coalesce to form a bigger drop. If ' $T$ ' is the surface tension, the surface...

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Q JEE MAIN 2025

Two liquids A and B have ${\theta _A}$ and ${\theta _B}$ as contact angles in a capillary tube. If $...

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Q JEE MAIN 2025

An air bubble of radius 1.0 mm is observed at a depth of 20 cm below the free surface of a liquid having surface tension...

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Q JEE MAIN 2025

The amount of work done to break a big water drop of radius 'R' into 27 small drops of equal radius is 10 J. The...

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