what is meant by Doppler effect
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Answer:
it's is related to frequency of light
Explanation:
an increase (or decrease) in the frequency of sound, light, or other waves as the source and observer move towards (or away from) each other. The effect causes the sudden change in pitch noticeable in a passing siren, as well as the red shift seen by astronomers.
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tera marunga mai ..,saali tere baap ka aap hai
lunga tera mc ,bc ,fk
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