A) 280 Hz
B) 200 Hz
C) 300 Hz
D) 240 Hz
E) 330 Hz
Correct Answer: D
Solution :
Apparent frequency \[{{f}_{a}}=\frac{(v+{{v}_{L}})}{v}\times f\] \[=\frac{330+30}{330}\times 220\] \[=240\text{ }Hz\]You need to login to perform this action.
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