Categories > waves > Doppler Effect > A car sounding a horn of frequency 1000 Hz passes an observer. The ratio of frequencies of the horn noted by the observer before and after passing of the car is $11 : 9$. If the speed of sound is $v$, the speed of the car is

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Question: A car sounding a horn of frequency 1000 Hz passes an observer. The ratio of frequencies of the horn noted by the observer before and after passing of the car is $11 : 9$. If the speed of sound is $v$, the speed of the car is


1) $\frac{1}{10}v$
2) $\frac{1}{2}v$
3) $\frac{1}{5}v$
4) $v$
Solution: Explanation: No Explanation
Doppler Effect

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