Which is the definition of the amplitude of a wave? (1 point)

Question

It is the measure of the distance
• between the midpoint of a wave and its crest or trough.
It is the measure of the distance
• from one crest of the wave to the next crest of the wave.
It is the measure of the distance a single wave travels in given period of time.
It is the measure of how many times
• a wave cycles in a given period of time.

Answer 1

The correct definition of the amplitude of a wave is:

It is the measure of the distance between the midpoint of a wave and its crest or trough.

Amplitude refers to the maximum displacement of points on a wave from a rest position.