Cambridge AS & A Level Physics
15.3Kinetic theory of gases
Kinetic theory of gases in Cambridge AS & A Level Physics: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic23 practice questions1 lesson
Learning objectives
What the syllabus expects you to be able to do.
- 15.3.1State the basic assumptions of kinetic theory.
- 15.3.2Explain gas pressure by molecular movement and derive and use pV = ⅓Nm⟨c²⟩.
- 15.3.3Understand the root-mean-square speed.
- 15.3.4Deduce and use the mean translational kinetic energy (3/2)kT.
Lessons
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Kinetic theory of gases
50 min
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Sample question
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