an ambulance travelling at 12ms-1 in a built up area emits sounds of frequency 1000 hz from its siren. a person standing in a bus queue hears the siren coming towards and then passing him.
a) Frequency heard by the person when the ambulance moves towards him.
b) Frequency heard by the person when the ambulance moves away from him.
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Answer:
oskdndhdiehegehgrveheuegevggg
Explanation:
jhhidjdbuebeuehhehee he iebhdheueue
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