Two capillary tubes P and Q are dipped vertically in water. The height of water level in capillary tube P is 
of the height in capillary tube Q. The ratio of their diameter is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
For capillary action, 
where r is radius of the capillary.
where 
and 
are the diameters of capillary tubes P and Q respectively.
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