#### 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 Option 1) 1P Option 2) 2P Option 3) 4P Option 4) 8P

As we learnt in

Equation of state -

- wherein

On solving

First process

PV= Constant

is not given.

Option 1)

1P

Incorrect

Option 2)

2P

correct

Option 3)

4P

Incorrect

Option 4)

8P

Incorrect