两个振动情况完全一样的波源S1、S2相距6m，它们在空间产生的干涉图样如图所示，图中实线表示振动加强区域，虚线表示振动减弱区域，下列说法正确的是_刷题宝

题干

两个振动情况完全一样的波源S₁、S₂相距6m，它们在空间产生的干涉图样如图所示，图中实线表示振动加强区域，虚线表示振动减弱区域，下列说法正确的是（）

A：两波源的振动频率一定相同

B：虚线一定是波谷与波谷相遇处

C：两列波的波长都是2m

D：两列波的波长都是1m

上一题下一题 0.0难度选择题更新时间:2017-10-19 11:20:59

答案(点此获取答案解析）

A,C

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