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Darya [45]
3 years ago
5

What is the Doppler Effect?

Physics
1 answer:
pishuonlain [190]3 years ago
8 0
<span>an increase (or decrease) in the frequency of sound, light, or other waves as the source and observer move toward (or away from) each other. The effect causes the sudden change in pitch noticeable in a passing siren, as well as the redshift seen by astronomers.

Hope this helps :D</span>
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