A-LevelPhysicsSuperposition9702/12 · May/June 2022 · Q271 Mark
A stationary wave on a stretched string is set up between two points P and T. [Figure 27.1] Which statement about the stationary wave is correct?
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.
APoint R is at a node.
BPoints Q and S vibrate in phase.
CThe distance between P and T is three wavelengths.
DThe wave transfers energy from P to T.
✓ Correct answer
B: Points Q and S vibrate in phase.
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