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範例:單狹縫繞射與干涉條紋

以波長為5400埃之單色光作單狹縫繞射實驗。設單狹縫寬度為0.6mm，距光屏為2.0m，則(1)光屏上中央亮紋之寬度為若干?(2)第四條暗紋距中央線多遠?(3)第四條暗紋之繞射角為若干?(4)若將此裝置整個浸入水中，則中央亮紋之寬度為若干?


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By admin – 2009 年 11 月 24 日

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