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Initial pressure and volume of a gas are P and V respectively.First its volume is expanded to 4Vby isothermal process and then again its volume makes to be V by adiabatic process, then its final pressure is ( $γ$ = 1.5):

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Correct option is D

In isothermal process PV = constant So, P'=P4in adiabatic process PVγ= constantP''=p'4VV1.5=P48=2P

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Initial pressure and volume of a gas are P and V respectively.First its volume is expanded to 4Vby isothermal process and then again its volume makes to be V by adiabatic process, then its final pressure is (γ = 1.5):

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Ready to Test Your Skills?

free study material

Initial pressure and volume of a gas are P and V respectively.First its volume is expanded to 4Vby isothermal process and then again its volume makes to be V by adiabatic process, then its final pressure is ( $γ$ = 1.5):