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範例:圓形界面與全反射[86日大]

在一折射率為n介質中，有半徑為R的圓洞，洞內為真空。今有一光束自介質射向圓洞，如圖所示。如果不讓光束射入洞內，則距離d的最小值為何?[86日大]


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Posted in 全反射, 歷屆物理考題.

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By admin – 2009 年 10 月 27 日

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