Initial pressure and volume of a gas are P and V respectively. First it is expanded isothermally to volume 4V and then compressed adiabatically to volume V. The final pressure of gas will be
1P
2P
4P
8P
As we learnt in
Equation of state -
- wherein
On solving
First process
PV= Constant
Adiabatic compression
is not given.
Option 1)
1P
Incorrect
Option 2)
2P
correct
Option 3)
4P
Incorrect
Option 4)
8P
Incorrect