1.

The P-V diagram of a gas undergoing a cyclic process ABCDA is shown in (figure). Where P is in N//m^(2) and V is in cm^(3). Identify the incorrect statement

Answer»

0.4 J of work is DONE by the GAS from A to B
0.2 J of work is done on the gas from C to D
No work is done by the gas from B to C
Work is done by the gas in going from B to C and on the gas fromD to A.

Solution :The incorrect statement is (d). This is because in going FROMB to C or D to A , DV = 0
`:. dW = p. dV = 0`


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