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範例:單狹縫繞射與雙狹縫干涉之比較

平行光垂直照射雙狹縫,在後方光屏上呈現干涉條紋,相鄰兩亮紋間隔0.9厘米,今將其中一狹縫遮掉,則呈現繞射花樣,其中央亮紋寬度為3.6厘米,若雙狹縫間隔為d,單一狹縫之 寬度為b,則d與b之比值為 (A)2:1 (B)3:2 (C)4:3 (D)5:4 (E)6:5。

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Posted in 光的繞射.

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By 張慶堂 – 2015 年 11 月 14 日

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