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Crest and trough

From Wikipedia, the free encyclopedia

Crest and trough in a wave

A Crest point on a wave is the maximum value of upward displacement within a cycle. A crest is a point on a surface wave where the displacement of the medium is at a maximum. A trough is the opposite of a crest, so the minimum or lowest point in a cycle.

When the crests and troughs of two sine waves of equal amplitude and frequency intersect or collide, while being in phase with each other, the result is called constructive interference and the magnitudes double (above and below the line). When in antiphase – 180° out of phase – the result is destructive interference: the resulting wave is the undisturbed line having zero amplitude.

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  • Parts of a Wave: Crest Trough Lambda
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  • Label & Draw Transersve Waves: Amplitude, Frequency, Wavelength, Crest, and Trough

Transcription

See also

References

  • Kinsman, Blair (1984), Wind Waves: Their Generation and Propagation on the Ocean Surface, Dover Publications, ISBN 0-486-49511-6, 704 pages.


This page was last edited on 13 March 2024, at 04:09
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