A capillary tube of radius r is dipped i...

A capillary tube of radius r is dipped in a liquid of density `rho ` and surface tension S. if the angle of contanct is `theta`, the pressure difference between the two surface in the beaker and the capillary ?

`T/r cos theta`

`(2T)/r cos theta`

`(T)/(r cos theta)`

`(2T)/(r cos theta)`

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