Question

# The PV diagram shows four different possible paths of a reversible processes performed on a monoatomic ideal gas Path A is isobaric, path B is isothermal, path C is adiabatic and path D is isochoric For which process does the temperature of the gas decrease?

- Process A only
- Process C only
- Processes C & D
- Processes B, C & D

## The correct answer is: Processes C & D

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