A-LevelPhysicsWaves9702/12 · Feb/Mar 2020 · Q271 Mark
A water wave passes through a gap between two barriers. The wavefronts spread out as shown. [Figure showing water wavefronts diffracting through a narrow gap between two barriers] What is the name of this phenomenon?
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.
Acoherence
Bdiffraction
Cinterference
Dsuperposition
✓ Correct answer
B: diffraction
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