Physics A-Level
Graphical integration and estimation techniques
What Graphical integration and estimation techniques means in Physics A-Level, as defined for AQA.
Definition of Graphical integration and estimation techniques
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Reference: AQA
The area is estimated by splitting the region between the path and the volume axis into strips or simple shapes, counting grid squares, or using the trapezium rule.
Topics that use Graphical integration and estimation techniques
- The p–V diagram (A-level only) (AQA A-Level)
Related terms
- Adiabatic change
- p–V diagram
- 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 Graphical integration and estimation techniques in the exam
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