多选题 较易0.85 引用1 组卷203
图甲为一列简谐横波在t=0.7s时刻的波形图,图乙为质点P的振动图像,则下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/2018/1/18/1863056449503232/1870145316560896/STEM/b3aefda7bd004509b3a54b291f1d3e5d.png?resizew=452)
![](https://img.xkw.com/dksih/QBM/2018/1/18/1863056449503232/1870145316560896/STEM/b3aefda7bd004509b3a54b291f1d3e5d.png?resizew=452)
A.波速v=20m/s,向左传播 |
B.波速v=20m/s,向右传播 |
C.从t=0.7s时刻开始,再经0.15s,波向左传播了3m |
D.从t=0.7s时刻开始,再经0.15s,波向右传播了3m |
18-19高二上·陕西延安·期末
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图甲为一列简谐横波在t=0时刻的波形图,图乙为介质中x=2m处的质点P的振动图像,下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/2021/4/14/2699702770745344/2700388490895360/STEM/6ecadadf-ac13-4927-b46c-caa1b960e26d.png?resizew=577)
![](https://img.xkw.com/dksih/QBM/2021/4/14/2699702770745344/2700388490895360/STEM/6ecadadf-ac13-4927-b46c-caa1b960e26d.png?resizew=577)
A.波沿x轴负方向传播 |
B.波速为20m/s |
C.t=0.15s时刻,质点P的位置坐标为(5m,0) |
D.t=0.15s时刻,质点Q的运动方向沿y轴负方向 |
图甲为一列沿 x 轴传播的简谐横波在某时刻的波形图,图乙为x=5cm 处质点的振动图像,则下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/5/a7e3a6c8-5d30-427e-a0f0-d751890c31b2.png?resizew=453)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/5/a7e3a6c8-5d30-427e-a0f0-d751890c31b2.png?resizew=453)
A.该波的波长为10cm |
B.该波的传播速度为0.02m/s |
C.若这列波向右传播,图甲可能是 t=6s时刻的波形图 |
D.从图甲所示时刻起再过9s,x=8cm处的质点运动的路程为20cm |
E.若这列波向左传播,从图甲所示时刻起再过3s,x=1cm处质点的位移为 |
图甲为一列简谐横波在t=0时刻波形图,图乙为质点P振动图像,下列正确的是( )
![](https://img.xkw.com/dksih/QBM/2022/5/10/2976276332355584/2976623643271168/STEM/b40e9c48-0629-4057-9386-f728836b90f5.png?resizew=409)
![](https://img.xkw.com/dksih/QBM/2022/5/10/2976276332355584/2976623643271168/STEM/b40e9c48-0629-4057-9386-f728836b90f5.png?resizew=409)
A.在0.25s内,质点Q的振动路程为1m |
B.波沿x轴负向传播,波速v=20m/s |
C.t=0.7s时刻,质点P到达波峰位置 |
D.t=0.6s时刻,质点Q在x轴下方且沿y轴正方向运动 |
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