56. Work done in a free expansion process is A.Minimun B.0 C.Maximum D.None of the above
Option B Solution: In free expansion there is no work done as there is no external external pressure. That's certainly true, in fact free expansion is an irreversible process in which a gas expands into an insulated evacuated chamber, you can think of it like ann container with a piston and the gas is left to expand in vacuum.
