A U-tube is made up of capillaries of bores 1 mm and 2 mm respectively. The tube is held vertically and partially filled with a liquid of surface tension 49 dyne/cm and zero contact angle. Calculate the density of the liquid if the difference in the levels of the meniscus is 1.25 cm.
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(0.7991 g/cm 3 )
Sol. h = 
1.25 = 
ρ = 
ρ = 
= 0.8 gm/cm 3
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