Q 1163845745.     The volume of one mole of the gas is changed from `V` to `2V` at constant pressure `P`. If gamma is the ratio of specific heats of the gas, change in internal energy of the gas is

A

`R/(gamma-1)`

B

`PV`

C

`PV/(gamma-1)`

D

`(RPV)/(gamma-1)`

HINT

`Delta U =(P_2V_2-P_1V_1)/(gamma-1)`
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