CBSE BOARD XII, asked by vardan1, 1 year ago

what is meant by Doppler

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Answered by Anonymous
1
The Doppler effect (or the Doppler shift) is the change in frequency or wavelength of a wave (or other periodic event) for an observer moving relative to its source. It is named after the Austrian physicist Christian Doppler, who proposed it in 1842 in Prague.

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