The amplitude on a longitudinal
wave is a measure of?
A. the speed of the wave.
B. how high off the resting position the wave is.
C. how compressed or rarefied the medium becomes.
. Amplitude is a measure of the amount of energy in a wave. In a transverse wave, amplitude is the measure from the resting position to either the crest (high point of the wave) or to the trough (low point of the wave.)
