A-LevelPhysicsWaves9702/12 · May/June 2012 · Q281 Mark
X and Y are two points on the surface of water in a ripple tank. A source of waves of constant frequency begins to generate waves which then travel past X and Y, causing them to oscillate. [Figure 28.1] What is the phase difference between X and Y?
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.
A45°
B135°
C180°
D270°
✓ Correct answer
D: 270°
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