A) \[\lambda =2\pi A\]
B) \[\lambda =\frac{1}{2}\pi A\]
C) \[\lambda =\pi A\]
D) \[\lambda =\frac{1}{4}\pi A\]
Correct Answer: B
Solution :
Given \[A\omega =4v\Rightarrow A2\pi n=4n\lambda \Rightarrow \lambda =\frac{\pi A}{2}\]
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