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Question

Physics Question on Surface tension

Find the height of the liquid in the capillary tube if surface tension of liquid is S, radius of capillary tube is r and acceleration due to gravity is g :

A

2Scos⁡θprg\frac{2S\cos\theta}{prg}

B

2Sprgcos⁡θ\frac{2S}{prg\cos\theta}

C

2Ssin⁡θprg\frac{2S\sin\theta}{prg}

D

None of these

Answer

2Scos⁡θprg\frac{2S\cos\theta}{prg}

Explanation

Solution

The correct option is (A): 2Scos⁡θprg\frac{2S\cos\theta}{prg}