The trough of a wave illustrate the negative circular motion of a given current.
The trough refers to the tip of a wave, but on the negative side.
The crest.
The distance from crest to crest in a transverse wave is called a wavelength.
Wave Length
The crest of a wave is its highest point, as opposed to the trough of a wave, which is its lowest point.
The trough refers to the tip of a wave, but on the negative side.
The crest.
crest
The distance from crest to crest in a transverse wave is called a wavelength.
Wave Length
It's not an idiom. It means just what it says -- something is on the crest of a wave. The crest is the top of the wave.
In a wave, it is called the wave length.
Crest.
The crest of a wave is its highest point, as opposed to the trough of a wave, which is its lowest point.
constructive interference
The high point of a wave is its creast or peak.
The distance? If that is the question then the answer is "wave length".