Home / Science / The change in a wave’s frequency when the source and observer are in motion relative to one another is known as what?
The change in a wave’s frequency when the source and observer are in motion relative to one another is known as what?
THE DOPPLER EFFECT
The Doppler effect (or the Doppler shift) is the change in frequency or wavelength of a wave in relation to an observer who is moving relative to the wave source. It is named after the Austrian physicist Christian Doppler, who described the phenomenon in 1842.
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