What is the lowest point of a wave called?

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Multiple Choice

What is the lowest point of a wave called?

Explanation:
In a wave, the medium moves up and down around its resting position. The highest point is the crest (sometimes called the peak), and the lowest point is the trough. The amplitude is the maximum distance from the rest position to either the crest or the trough, not a location itself. So the lowest point is the trough.

In a wave, the medium moves up and down around its resting position. The highest point is the crest (sometimes called the peak), and the lowest point is the trough. The amplitude is the maximum distance from the rest position to either the crest or the trough, not a location itself. So the lowest point is the trough.

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