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範例:折射定律

如右圖，一半徑10 cm的玻璃球（厚度很薄可忽略不計)，其內裝有油（折射率1.2）及水（折射率4/3），若入射角為30o，a、b為反射線，折射線分別在出射點距法線的距離，則a-b＝？(A)0.2(B)0.5(C)0.7(D)1(E)1.2 cm。

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By admin – 2009 年 10 月 21 日

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