Question
Question: In the diagram (i) to (iv) of variation of volume with changing pressure is shown . A gas is taken a...
In the diagram (i) to (iv) of variation of volume with changing pressure is shown . A gas is taken along the path ABCD. The change in internal energy of the gas will be -
A
Positive in all cases (i) to (iv)
B
Positive in cases (i), (ii) and (iii) but zero in (iv) cases
C
Negative in cases (i), (ii) and (iii) but zero in (iv) cases
D
Zero in all four cases
Answer
Zero in all four cases
Explanation
Solution
(\Delta U)_{net} = 0
\end{matrix}$$