沿空间任一方向传播的平面波的波动公式为<img src='https://img2.soutiyun.com/ask/5379001-5382000/58911c1d45381c1e7738040fbd8c1ae9.jpg' />,则其在z=z<sub>0</sub>的平面上的空间周期为( )。

A.<img src='https://img2.soutiyun.com/latex/latex.action' /> B.<img src='https://img2.soutiyun.com/latex/latex.action' /> C.<img src='https://img2.soutiyun.com/latex/latex.action' /> D.<img src='https://img2.soutiyun.com/latex/latex.action' />

时间:2023-09-26 11:46:07

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