New Mexico Highlands University

The amplitude of a wave is defined as the distance measured from the wave's central line to either the highest point of its crest or the lowest point of its trough.

Wave Amplitude

Spielman, R. M., Jenkins, W. J., & Lovett, M. D. (2020, April 22). Psychology (2nd ed.). OpenStax. https://openstax.org/books/psychology-2e/pages/1-introduction

OpenStax Psychology (2nd ed.) Textbook

Refers to the lowest point or the minimum value of the wave.

Trough

True or false? The wave amplitude represents the height of the wave from the crest down to the trough.

The crest of a wave is its highest point, representing the maximum upward displacement from its equilibrium position or center line.

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