多选题 适中0.65 引用2 组卷174
如图所示为一列向右传播的简谐横波在某个时刻的波形,由图像可知( )
![](https://img.xkw.com/dksih/QBM/2022/1/19/2898094083661824/2898473775267840/STEM/2f67b19c-30cd-4c4e-82cc-b42151ce61a5.png?resizew=190)
![](https://img.xkw.com/dksih/QBM/2022/1/19/2898094083661824/2898473775267840/STEM/2f67b19c-30cd-4c4e-82cc-b42151ce61a5.png?resizew=190)
A.质点b此时速度为零 |
B.质点b此时向y轴正方向运动 |
C.质点d的振幅是2cm |
D.质点a再经过 |
22-23高二上·广东潮州·期末
类题推荐
一列沿x轴负方向传播的简谐机械横波,波速为2m/s,某时刻波形如图所示,下列说法中正确的是( )
![](https://img.xkw.com/dksih/QBM/2017/3/24/1650675195969536/1659701559140352/STEM/420cf871-dc83-4f4e-8e03-5c8306e3b410.png?resizew=221)
![](https://img.xkw.com/dksih/QBM/2017/3/24/1650675195969536/1659701559140352/STEM/420cf871-dc83-4f4e-8e03-5c8306e3b410.png?resizew=221)
A.这列波的周期为2s |
B.这列波的振幅为4cm |
C.此时x=4m处质点的速度为零 |
D.此时x=4m处质点沿y轴正方向运动 |
一列沿x轴正方向传播的简谐横波,波速为4m/s。某时刻波形如图所示,下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/2022/5/27/2988573441032192/2989387545567232/STEM/04fd4ceb-520b-4819-b8a4-d85b01ec189a.png?resizew=163)
![](https://img.xkw.com/dksih/QBM/2022/5/27/2988573441032192/2989387545567232/STEM/04fd4ceb-520b-4819-b8a4-d85b01ec189a.png?resizew=163)
A.此时x=4m处质点加速度最大 |
B.这列波的振幅是4cm |
C.此时x=8m处质点沿y轴正方向运动 |
D.再经3s,x=6m处质点处于正向最大位移处 |
图(a)为一列波在t=2s时的波形图,图(b)是平衡位置在
处的质点的振动图像,P是平衡位置为
的质点,下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/2020/11/14/2592344465866752/2592904802549760/STEM/96b68e48-f42e-4dad-a625-72dec20b85b4.png?resizew=349)
![](https://img.xkw.com/dksih/QBM/2020/11/14/2592344465866752/2592904802549760/STEM/96b68e48-f42e-4dad-a625-72dec20b85b4.png?resizew=349)
A.波的传播方向向右 |
B.波速为1m/s |
C. |
D. |
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