The radii of the two columns in U tube are 
and 
When a liquid of density 
(angle of contact is 0°) is filled in it the level difference of liquid in two arms is h The surface tension of liquid is (g = acceleration due to gravity)
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Let 
be the heights to which liquid rises in two columns of radii 
and 
respectively
then
Where s is the surface tension of liquid
And 
Difference in levels of liquid in two arms of U tube is
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