题目内容

下列选项中,叙述正确的是()。

A. 与双缝的距离相差整数个相位的地方光波互相叠加
B. 与双缝的距离相差整数个相位的地方光波互相抵消
C. 与双缝的距离相差半整数个相位的地方光波互相抵消
D. 与双缝的距离相差半整数个相位的地方光波互相加强

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