Physics A-Level
p–V diagram
What p–V diagram means in Physics A-Level, as defined for AQA.
Definition of p–V diagram
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Reference: AQA
Plots pressure on the vertical axis against volume on the horizontal axis, with a process drawn as a continuous path joining an initial point to a final point.
Topics that use p–V diagram
- The p–V diagram (A-level only) (AQA A-Level)
Related terms
- Adiabatic change
- Graphical integration and estimation techniques
- Sign conventions for expansion and compression
- Work as the area under a p–V graph
- Consistency of units in thermodynamic calculations
- Equilibrium state
- Isothermal change
Using p–V diagram in the exam
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