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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。
[詳解]
Posted in 折射定律.
Tagged with 光的折射, 光的透射, 司乃耳定律.
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By admin – 2009 年 10 月 21 日
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