O-LevelPhysicsWaves5054/11 · May/June 2021 · Q201 Mark
A water wave in a ripple tank refracts as it moves from deep water into shallower water. What happens to the speed and to the frequency of the wave as it moves into shallower 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.
Adecreases, stays constant
Bincreases, stays constant
Cstays constant, decreases
Dstays constant, increases
✓ Correct answer
A: decreases, stays constant
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