题目内容
一列沿x轴正方向传播的简谐横波,波速为0.5m/s,在某时刻波形如图中实线所示,经过一段时间后波形如图中虚线所示,在这段时间里,图中P点处的质元通过的路程可能是
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241426421093854.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241426421093854.png)
A.0.4m | B.0.5m | C.0.6m | D.0.7m |
C
由实线波峰传播到虚线波峰,经历的时间为
,波长为2m,周期为
,P点路程为
,选C
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824142642468659.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824142642577554.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241426426391228.png)
![](http://thumb2018.1010pic.com/images/loading.gif)
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题目内容
A.0.4m | B.0.5m | C.0.6m | D.0.7m |