One mole of an ideal gas in initial state A undergoes a cyclic process ABCA, as shown in the figure. Its pressure at A is P0. Choose the correct option(s) from the following
1
Internal energies at A and B are the same
2
Pressure at C is P0/4
3
Work done by the gas in process AB is P0V0(\(\ell \)n8)
4
Both (1) and (3)