1.

A liquid is filled into a semielliptical cross - section with a as semi major axis and b as semi minor axis. The ratio of the surface tension forces on the curved part and the plane part of the tube in vertical position will be

Answer»

`(PI(a+B))/(4B)`
`(2pia)/(b)`
`(PIA)/(4b)`
`(pi(a-b))/(4b)`

ANSWER :A


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