O-LevelPhysicsWaves5054/12 · May/June 2022 · Q271 Mark
A sound wave passes through a substance. The diagram shows the position of molecules of the substance at one point in time. Which type of wave is a sound wave and what is at X?
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.
Alongitudinal compression
Blongitudinal rarefaction
Ctransverse compression
Dtransverse rarefaction
✓ Correct answer
A: longitudinal compression
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