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O-LevelPhysicsWaves5054/11 · Oct/Nov 2013 · Q231 Mark

The graph shows how the pressure varies as a sound wave passes through air. Which point represents a compression?

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APoint A

BPoint B

CPoint C

DPoint D

✓ Correct answer

B: Point B

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About this question

Topic: Waves, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, Oct/Nov 2013 Paper 1 Variant 1, question 23.

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