A capillary tube of radius 
is dipped in water. The water rises to a height of 
in the tube. If the surface tension of water is 
, the contact angle between water and wall of the tube is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Radius of capillary tube, 
Height of water rises, 
Surface tension, 
Rise in water is given by
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