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A-LevelPhysicsWaves9702/12 · Oct/Nov 2025 · Q251 Mark

What is the phase difference between points P and Q on the progressive wave shown in the diagram? [Figure 25.0]

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.

A180°

B450°

C540°

D720°

✓ Correct answer

B: 450°

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About this question

Topic: Waves, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, Oct/Nov 2025 Paper 1 Variant 2, question 25.

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