Amplitude - this is the height of the wave (from rest to crest)
Frequency - the frequency is how many complete waves there are per second, it is measures in Hz (1 Hz is 1 wave per second)
Wavelength (λ)- this is the distance from one crest (or trough) to the other crest (or trough). It is represented in equations as lambda (λ)
Period (of a wave) - this is the time it takes for one complete wave to pass. It is measures in seconds (s)
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