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  • A wire is stretched and fixed at two ends. Transverse stationary waves are formed in it. It oscillates in its overtone mode. The equation of stationary wave is <img alt="y=A \sin k x \cos \ome

A wire is stretched and fixed at two ends. Transverse stationary waves are formed in it. It oscillates in its overtone mode. The equation of stationary wave is y=A \sin k x \cos \omega t. Correct option is  

Option: 1

A=\frac{A}{2}


Option: 2

\operatorname{length}=\frac{4 \pi}{k}


Option: 3

Both a and b


Option: 4

None of these


Answers (1)

best_answer

\begin{aligned} l=4 \frac{\lambda}{2} & =2 \lambda=2\left(\frac{2 \pi}{k}\right) \\ & =\frac{4 \pi}{k} \end{aligned}

option (b) correct

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