The given P-V diagram expansion of a gas which one of the following statement is true?

Options

A. 1. A is isothermal and B is adiabatic process
B. 2. A is adiabatic and B is isothermal process
C. 3. Both are isothermal process
D. 4. Both are adiabatic process

Answer

A

Explanation

As slop of curve B is more than slope of aA therefore curve A is showing isothermal process and curve B is showing adiabatic process.