O-LevelPhysicsWaves5054/11 · Oct/Nov 2021 · Q191 Mark
The diagram shows one wavefront of a wave as it travels from deep water to shallow water in a ripple tank. What happens as the wavefront moves into the shallow water?
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.
AThe speed of the wavefront increases.
BThe speed of the wavefront decreases.
CThe wavelength of the wave remains constant.
DThe wavelength of the wave increases.
✓ Correct answer
B: The speed of the wavefront decreases.
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