A-LevelPhysicsSuperposition9702/12 · May/June 2020 · Q221 Mark
Two progressive waves meet at a fixed point P. The variation with time of the displacement of each wave at point P is shown in the graph. [Figure 22.1] What is the phase difference between the two waves at point P?
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°
B90°
C135°
D180°
✓ Correct answer
C: 135°
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