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範例:單狹縫遮蔽效果

在單狹縫繞射中，若將寬b之狹縫之右半邊光源蓋去，則可能發生下列何種改變?(A)繞射條紋中央線不變(B)繞射條紋之中央線向左移b/4 (C)繞射條紋之中央線向右移b/2 (D)繞射條紋之強度減弱為原來之一半(E)繞射條紋之寬度變為原來之二倍。

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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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