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One end of a glass capillary tube with a...

One end of a glass capillary tube with a radius r is immersed into water to a depth of h The surface tension of water is s and atmospheric pressure is `p_0` . What pressure is required to blow an air bubble out of the lower end of the tube? Density of water is `rho`

A

`P_0-rhogh+(2s)/r`

B

`P_0+rhogh+(2s)/r`

C

`P_0+rhogh-(2s)/r`

D

`P_0-rhogh-(2s)/r`

Text Solution

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The correct Answer is:
B
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