O-LevelPhysicsWaves5054/12 · May/June 2014 · Q251 Mark
What is the frequency of a wave?
AThe number of waves passing a fixed point per second.
BThe number of peaks added to the number of troughs passing a fixed point per second.
CThe time taken for one wave to pass a fixed point.
DThe time taken for the displacement to change from maximum to minimum.
✓ Correct answer
A: The number of waves passing a fixed point per second.
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