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範例:單狹縫干涉與混色光

兩強度相同,波長分別為4000埃紫光與6000埃橙光的混合光垂直射向寬度為0.004cm之單狹縫,在其正後方100cm有一屏,則下述現象何者可在屏上發生?(A)中央亮紋為白色(B)繞射條紋自中央位置起約每隔3cm出現一條暗紋(C)紫光第一亮紋中線恰是橙光第一暗紋位置(D)橙光第三暗紋位置恰是紫光第四亮紋中線位置(E)全部為紫橙相間的均勻條紋。【雄女】


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