Properties Of Solids And Liquids Question 312

Question: A capillary tube of radius r is dipped in a liquid of density r and surface tension S. If the angle of contact is q, the pressure difference between the two surfaces in the beaker and the capillary

Options:

A) Srcosθ

B)2Srcosθ

C) Srcosθ

D) 2Srcosθ

Show Answer

Answer:

Correct Answer: B

Solution:

S=rhdg2cosθ Pressure difference =hdg=2Srcosθ



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