define dopler effect
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bas kya corect ans ke liye kch bhi rate and follow if it hlps u
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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dual app bas multi aacn ke liye use hota he... dual app pe bas brainly ko add krke isi id se log in krlena.... pahle jaisi brainly ho jayegi pahle kro toh sahi
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