1.

An air bubble of radius 'r' is formed at a depth 'h' below the surface of water of density 'd' and if 'p_(0)' is the atm pressure, T is surface tension of water, then the pressure inside the bubble is

Answer»

<P>`p_(0)+(2T)/(R )`
`p_(0)+hdg+(2T)/(r )`
`p_(0)+hdg+(4T)/(r )`
`p_(0)+(4T)/(r )`

ANSWER :B


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