一列简谐横波沿x轴正方向传播,图(a)是t=
时刻的波形图,图(b)和图(c)分别是x轴上某两处质点的振动图像。由此可知,这两质点平衡位置之间的距离可能是( )
![](https://img.xkw.com/dksih/QBM/2021/2/20/2669258738245632/2670631557308416/STEM/87de7665-ea74-49fb-bcb0-db4acf02b820.png?resizew=492)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5c4b990ed35cad2063db279e7d03dbe.png)
![](https://img.xkw.com/dksih/QBM/2021/2/20/2669258738245632/2670631557308416/STEM/87de7665-ea74-49fb-bcb0-db4acf02b820.png?resizew=492)
A.![]() | B.![]() | C.![]() | D.![]() |
20-21高三下·辽宁丹东·开学考试 查看更多[2]
更新时间:2021-03-04 14:36:43
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【知识点】 振动图像与波形图的结合
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【推荐1】图1为一列简谐横波在
时刻的波形图,
是平衡位置在
处的质点,
是平衡位置在
处的质点.图2为质点
的振动图象,下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/2018/6/2/1958622314151936/1960211616538624/STEM/06e998352df346d08d8b1b9aa0210b63.png?resizew=416)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34125d5ff11808719ae82769e85475ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b587842cb87b13693dcfe089700165a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24de17ff1e08b51f16e631c94438d955.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://img.xkw.com/dksih/QBM/2018/6/2/1958622314151936/1960211616538624/STEM/06e998352df346d08d8b1b9aa0210b63.png?resizew=416)
A.这列简谐横波的波速为60 ![]() |
B.在![]() ![]() ![]() |
C.在![]() ![]() ![]() |
D.从![]() ![]() ![]() ![]() |
E.质点![]() ![]() |
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【推荐2】如图所示,一列简谐横波在x轴上传播,图甲和乙分别是在x轴上a、b两质点的振动图象,且xab=6m,下列判断正确的是( )
![](https://img.xkw.com/dksih/QBM/2017/6/16/1710040954535936/1756828616622080/STEM/24a462af-2c06-4f8b-bcf4-1ed566a19b50.png?resizew=363)
![](https://img.xkw.com/dksih/QBM/2017/6/16/1710040954535936/1756828616622080/STEM/24a462af-2c06-4f8b-bcf4-1ed566a19b50.png?resizew=363)
A.波一定沿x轴正方向传播 |
B.波可能沿x轴负方向传播 |
C.波长可能是8m |
D.波速一定是6m/s |
E.波速可能是2m/s |
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