1.

A gas is enclosed in a vessel of volume V at a pressure P. It is being pumped out of the vessel by means of a piston - pump with a stroke volume v. What is the final pressure in the vessel after n strokes of the pump? (Assume temperature remains constant).

Answer»

`P [ (1)/( 1- ( UPSILON//V) )]^(1//N)`
`P [ (1)/( 1+ ( upsilon//V) )]`
`P ( 1+ ( upsilon)/( V) )`
`(( 1+ (upsilon)/( V) )^(n) )/(P)`

ANSWER :B


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