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October 10 钻石为什么这样亮钻石的折射率高达2.417,所以全反射角为
arc sin(1/2.417) = 24.4 degrees
有这样小的全反射角,射入钻石的光线很容易在perfect cut的钻石底部完成两次全反射,外面看起来就会闪闪发亮。 Comments (9)
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