A) 448 Hz
B) 350 Hz
C) 361 Hz
D) 411 Hz
Correct Answer: A
Solution :
[a] \[{{f}_{A}}=f\left[ \frac{v+{{v}_{0}}}{v-{{v}_{s}}} \right]\] |
\[=400\left[ \frac{340+16.5}{340-22} \right]\] |
\[{{f}_{A}}=448Hz\] |
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