O-LevelPhysicsThermal Physics5054/11 · Oct/Nov 2025 · Q151 Mark

A student investigates how changing the temperature of a gas affects the volume of the gas. The gas is kept at a constant pressure. Which graph shows the relationship between the temperature and the volume of a sample of gas at constant pressure?

This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.

ADiagram A

BDiagram B

CDiagram C

DDiagram D

✓ Correct answer

A: Diagram A

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Topic: Thermal Physics, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, Oct/Nov 2025 Paper 1 Variant 1, question 15.

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