In other words, it is the length of one complete cycle of a wave, measured from one crest (the highest point) to the next crest or from one trough (the lowest point) to the next trough.

It is often easiest to measure this from the crest (top) of one wave to the crest of the next wave or the trough (bottom) of one wave to the trough of the next wave. It doesn't matter where you ...

You need to know about these quantities used in waves - what they mean, the symbols used for them and the units used to measure them. The amplitude (\(a\)) of a wave is the distance from the ...