O-LevelPhysicsWaves5054/12 · May/June 2015 · Q241 Mark

A ball floating in a ripple tank begins to move vertically up and down as a wave passes beneath it. The ball does not move horizontally. Which statement is correct?

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ABoth energy and water are transferred in the wave direction.

BEnergy is not transferred in the wave direction but water is.

CEnergy is transferred in the wave direction but water is not.

DNeither energy nor water is transferred in the wave direction.

✓ Correct answer

C: Energy is transferred in the wave direction but water is not.

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