Section: Thermodynamics | Marks: 1
The figure shows four different processes labeled 1, 2, 3, and 4 for the same closed system containing an ideal gas. The curves labeled π1, π2, and π3 are isotherms. For which one of the these four processes, the magnitude of internal energy change is the highest?

- A. Process 1
- B. Process 2
- C. Process 3
- D. Process 4
Answer: A. Process 1