Wavelength and frequency
1 mark · EasyWhich of the following will increase if the frequency of a wave increases but its speed stays constant?
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Correct option: The number of waves passing per second
Common mistakes: The wavelength; The time for one wave to pass
Show mark scheme and worked solution
Marking points
B1 · 1 mark · Correct choice: number of waves passing per second.
Worked solution
An increase in frequency means more waves pass a point each second. The correct answer is: The number of waves passing per second.