The term for the time it takes each wave crest to pass a certain point is called the

The wave period is the amount of time it takes a wave to pass a point.  Wave frequency is what you call the number of waves that pass in a certain point per second. If you increase the wave length of any wave, you decrease the wave frequency (the number of waves that pass in a certain point per second).

The correct answer is "wave period".

Explanation:

Wave consists of crests and troughs. The crest is the point on the wave having maximum value of displacement and the trough is lower point on the wave having minimum value of displacement.

Wave frequency: The number of waves that passes from a fixed point per second. The unit of wave frequency is Hertz.

Wave period: The wave period is defined as the time taken for completing one cycle of vibration to pass a fixed point. The wave period is inversely proportional to the frequency. If the wave period decreases then the frequency of a wave decreases.

The unit of wave period is second.

The relation between the wave period and wave frequency is as follows;

Here, T is the wave period and f is the frequency of wave.

Therefore, the term for the time it takes each wave crest to pass a certain point is called wave period.

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