A) 248 Hz
B) 244 Hz
C) 240 Hz
D) 230 Hz
Correct Answer: A
Solution :
Frequency heard by the observer \[{n}'=n\,\left( \frac{v+{{v}_{0}}}{v} \right)=240\,\left( \frac{330+11}{330} \right)=248Hz.\]You need to login to perform this action.
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