A-LevelPhysicsSuperposition9702/12 · Oct/Nov 2020 · Q271 Mark
The three waves shown in each diagram have the same amplitude and frequency but different phase. They are added together to give a resultant wave. In which case is the resultant wave zero at this instant?
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 option A]
B[Diagram option B]
C[Diagram option C]
D[Diagram option D]
✓ Correct answer
A: [Diagram option A]
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