A coaxial cylinder made of glass is immersed in liquid of surface tension ‘S’. Radius of inner and outer surface of cylinder are R 1 and R 2 respectively. Height till which liquid will rise is (Density of liquid is ρ )-
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
Net upward force
= 2 π R 2 S + 2 π R 1 S contact angle = 0 0
∴ Capillary rise is given by
h = 
= 
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