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The lower end of a capillary tube of dia...

The lower end of a capillary tube of diameter 2.00 mm is dipped 8.00 cm below the surface of water is a beaker. What is the pressure required in the tube in order to blow a hemispherical bubble at its end in water? The surface tension of water at temperature of the experiments is `7.30xx10^(-2)Pa`, density of water `=1000kg//m^(3)`, `g=9.80ms^(-2)`, also calculate the excess pressure.

A

146

B

`1.078 xx 10^5`

C

`1.0193 xx 10^5 `

D

`1.02 xx 10^4 `

Text Solution

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The correct Answer is:
C
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