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_0 + ( 2T)/( r)`
`p_0 + HDG + ( 2T)/ ( r) `
` p_0 + hdg + ( 4 T)/( r)`
` p_0+ ( 4 T)/( r )`

ANSWER :B


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