A capillary tube of radius r is lowered into a liquid of surface tension T and density 
. The angle of contact between the solid and the free surface of the liquid is 
= 0°. During the process in which the liquid rises in the capillary, the work done by surface tension is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
The liquid rise in capillary tube is:
The work done by surface tension will be :
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