Definition & Meaning of "doppler effect"in English

Doppler effect

NOUN

the change in frequency or wavelength of a wave in relation to an observer who is moving relative to the source of the wave, producing a shift in pitch or color

Grammatical Information

Animacy status

Abstract

Composition

Compound

Uncountable

singular

not gender specific

Examples

The Doppler effect explains why the pitch of an ambulance siren changes as it approaches and then passes by.

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Definition & Meaning of "doppler effect"in English

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