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GRADE 12 Physical Sciences > Doppler effect > Flashcards

Flashcards in Doppler effect Deck (2)
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1
Q

Doppler effect

A

the apparent change in the frequency of a wave when there is relative motion between the source of the wave and an observer of the wave

2
Q

Red shift

A

A shift in the spectra of distant galaxies toward longer wavelengths, toward the red end of the spectrum