Water rises in a capillary tube up to a height of 10 cm, whereas mercury depresses in it by 3.42 cm. If the angle of contact and density of mercury are 
and 
respectively, then the ratio of the surface tension of water and mercury will be nearly
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
Given, 
,
We know that, angle of contact of water, 
.
Here, 
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