DOPPLER EFFECT

An apparent increase or decrease in wavelength when it moves away or closer to the observer.

DOPPLER EFFECT: "The doppler effect happens when a sound or colour moves away or comes closer to us."
Cite this page: N., Pam M.S., "DOPPLER EFFECT," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/doppler-effect/ (accessed August 8, 2020).
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