A-LevelPhysicsWaves9702/12 · Feb/Mar 2017 · Q251 Mark
A source of sound waves is travelling as shown. In which situation would the stationary observer detect the largest decrease in the observed frequency?
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.
A[Diagram showing observer, source moving towards observer at 5 ms⁻¹]
B[Diagram showing observer, source moving towards observer at 10 ms⁻¹]
C[Diagram showing observer, source moving away from observer at 5 ms⁻¹]
D[Diagram showing observer, source moving away from observer at 10 ms⁻¹]
✓ Correct answer
D: [Diagram showing observer, source moving away from observer at 10 ms⁻¹]
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