Doppler effect, Definition, Example, & Facts
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Doppler effect, the apparent difference between the frequency at which sound or light waves leave a source and that at which they reach an observer, caused by relative motion of the observer and the wave source. It was first described (1842) by the Austrian physicist Christian Doppler.
Doppler Effect CK-12 Foundation
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Why does the Doppler effect happen? - Quora
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Waves, motion and frequency: the Doppler effect « Einstein-Online
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Doppler Shift October 19, ppt download
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Doppler Effect - Definition, Formula, Examples, Uses, FAQs
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Imagine the Universe!
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The Doppler Effect
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Sound, Decibels, Doppler Effect - ppt download
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12 Astonishing Facts About Doppler Effect
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The Doppler Effect