O-LevelPhysicsThermal Physics5054/11 · Oct/Nov 2021 · Q151 Mark

A fixed amount of gas is trapped inside a metal can. The temperature of the gas decreases but the volume does not change. How does this change affect the kinetic energy of the gas molecules and the pressure inside the metal can?

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.

Adecreases kinetic energy, decreases pressure

Bdecreases kinetic energy, increases pressure

Cincreases kinetic energy, decreases pressure

Dstays the same kinetic energy, decreases pressure

✓ Correct answer

A: decreases kinetic energy, decreases pressure

Oracle Prep sorts past-paper questions by topic, so you can drill Thermal Physics and see which topics are most likely to come up next.

Topic: Thermal Physics, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, Oct/Nov 2021 Paper 1 Variant 1, question 15.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content