1.

A capillary tube of radius is dipped vertically in a liquid of density d, surface tension T and angle of contact theta then the pressure difference just below the two surface, one in the beaker and the other in the capillary tube, is :

Answer»

`(2T)/(R )`
`(T)/(r COSTHETA)`
`(2Tcostheta)/(r )`
`(Tcostheta)/(r )`

ANSWER :C


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