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Two parallel glass plates are dipped par...

Two parallel glass plates are dipped partly in the liquid of density d keeping them vertical. If the distance between the plates is x surface tension for the liquid is T and angle of contact `theta`, then rise of liquid between the plates due to capillary will be

A

`(T cos theta)/(xd)`

B

`(2T)/(xg d cos theta)`

C

`(2T cos theta)/(x g d)`

D

`(T cos theta)/(xdg)`

Text Solution

Verified by Experts

The correct Answer is:
C
Force ` = 2 xx T cos theta xx L`
Weight = V x density x g
`Lhdgx = 2T cos theta xx L`
`h = (2T cos theta)/(xdg)`
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