A) 153.8 Hz
B) 160.0 Hz
C) 320.0 Hz
D) 143.2 Hz
Correct Answer: B
Solution :
[b] \[{{n}_{Closed}}=\frac{1}{2}\left( {{n}_{open}} \right)=\frac{1}{2}\times 320=160\,Hz\]You need to login to perform this action.
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