Wavelength and frequency
2 marks · NormalDescribe what is meant by the frequency of a wave.
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The number of waves passing a point in one second.
Also accept: How many oscillations pass a given point per second; Number of cycles per second
Common mistakes: How fast the wave moves
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Marking points
B1 · 1 mark · States 'number of waves' or 'oscillations' passing a point
B2 · 1 mark · References 'in one second' or 'per second'
Worked solution
The frequency of a wave is the number of waves that pass a point in one second.