What are waves?

1 mark · Easy

Waves are measured in hertz (Hz). What does a frequency of 5 Hz mean?

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Five wave cycles occur each second.

Also accept: 5 cycles per second; The wave completes 5 cycles in 1 second; 5 waves pass a point each second

Common mistakes: 5 seconds per cycle

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Marking points

B1 · 1 mark · Correctly interprets Hz as cycles per second (must refer to number of waves, cycles or oscillations per second).

Worked solution

5 Hz means five wave cycles occur every second.