What are wavefronts?
2 marks · EasyComplete the sentences about waves:
(a)[1 mark]
The number of waves passing a point every second is called the ________.
(b)[1 mark]
The distance between one crest and the next crest is called the ________.
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Show answer
(a) frequency
(b) wavelength
Common mistakes: Period; Amplitude
Show mark scheme and worked solution
Marking points
B1 (a) · 1 mark · Identifies 'frequency' as the number of waves per second.
B1 (b) · 1 mark · Identifies 'wavelength' as the distance between crests.
Worked solution
a) frequency; b) wavelength