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如图(a)为一列简谐横波在t=2s时的波形图,图(b)为介质中平衡位置在x=1.5m处的振动图象,P是平衡位置为x=2m处的质点,下列说法正确的是( )
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高二下学期物理《》真题及答案
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如图所示实线是沿x轴传播的一列简谐横波在t=O时刻的波形图虚线是这列波在t=0.2s时刻的波形图则
这列波的周期可能是1.2s
这列波的波长为12m
这列波可能向左传播了14m
这列波的波速可能是40m/s
如题II图为一列沿X.轴负方向传播的简谐横波实线为t=0时刻的波形图虚线为t=0.6s时的波形图波的
如图所示实线是一列简谐横波在t时刻的波形图虚线是t+2s时该波的波形图.则这列波传播时
波源质点的振动周期可能是8s
波源质点的振动周期可能是2s
波速可能为1.5m/s
在任一个周期里振动质点的位移都为8m.
一列简谐横波沿x轴传播如图所示实线为t=0时刻的波形图虚线表示经过Δt=0.2s后的波形图.1求波速
如图所示一列简谐横波沿x轴传播实线为t1=0时刻的波形图虚线为t2=0.25s时刻的波形图已知这列波
2m/s,向左
2m/s,向右
6m/s,向左
6m/s,向右
如图12甲所示为一列简谐横波在t=2s时的波形图图乙是这列波中P点的振动图线求该波的传播速度的大小并
一列沿x轴传播的简谐横波某时刻的波形图象如图中的实线所示再经t=0.2s的波形图如图11中的虚线所示
图1为一列向左传播的简谐横波在某一时刻的波形图判断波形图上P点的振动方向.
如图所示为一列沿x轴负方向传播的简谐横波实线为t=0时刻的波形图虚线为t=0.6s时的波形图波的周期
波的周期为2.4 s
在t=0.9 s时,P.点沿y轴正方向运动
经过0.4 s,P.点经过的路程为0.4 m
在t=0.5 s时,Q.点到达波峰位置
如图所示为一列沿x轴负方向传播的简谐横波实线为t=0时刻的波形图虚线为t=0.6s时的波形图波的周期
波的周期为2.4 s
波的速度为 m/s
在t=0.5s时,Q.点到达平衡位置
在t=0.5s时,Q.点到达波峰位置
在图中实线是0时刻一列简谐横波的波形图虚线是0.2s时该波的波形图求这列波的周期和波速
一列简谐横波如图所示波长λ=8m实线表示t1=0时刻的波形图虚线表示t2=0.005s时刻第一次出现
一列沿x轴传播的简谐横波某时刻的波形图象如图中的实线所示再经t=0.2s的波形图如图中的虚线所示.则
如图所示是一列简谐横波在t1=0时刻的波形图已知这列波沿x轴正方向传播波速为20m/s试画出t2=0
如图所示实线是一列简谐横波在t1时刻的波形图虚线是在t2=t1+0.2s时刻的波形图.若波速为35m
图4所示为一列沿x轴负方向传播的简谐横波实线为t=0时刻的波形图虚线为t=0.6s时的波形图波的周期
波的周期为2.4 s
在t=0.9 s时,P.点沿y轴正方向运动
经过0.4 s,P.点经过的路程为4 m
在t=0.5 s时,Q.点到达波峰位置
如图所示为一列沿x轴正方向传播的简谐横波在t=1s时的波形图已知该波的波速为v=lm/si求该简谐横
如图所示实线是一列简谐横波在t1时刻的波形图虚线是在t2=t1+0.2s的波形图.1若波速为35m/
如图11a所示是一列简谐横波在t=0.2s时的波形图其中O.是波源图b是波上某一点P.的振动图象.求
如图所示实线是沿x轴传播的一列简谐横波在t=0时刻的波形图虚线是这列波在t=0.2s时刻的波形图则
这列波的周期可能是1.2s
这列波的波长为12m
这列波可能向左传播14m
这列波的波速可能是40m/s
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