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波长、波速和频率的关系

> 一列沿X轴传播的简谐横波在某时刻昀波形图象如图所示，已知此波的波长为λ，a、b、c、d四点到X轴的距离相同，由此图可知（　　） A．若质点a向下运动，则波是从左向右传播的 B．在一个周期内，a点通过的路程为λ C．c、d两点的加速度相同 D．c、d两点的速度相同

问题：

发布时间：2024-09-09

一列沿X轴传播的简谐横波在某时刻昀波形图象如图所示，已知此波的波长为λ，a、b、c、d四点到X轴的距离相同，由此图可知（　　）

A．若质点a向下运动，则波是从左向右传播的

B．在一个周期内，a点通过的路程为λ

C．c、d两点的加速度相同

D．c、d两点的速度相同

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