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如果在折射率为1.5的玻璃基体表面镀一层折射率为n、厚度为h的介质膜，则（)。 A．当n＞1.5时，该膜一般具有增加

如果在折射率为1.5的玻璃基体表面镀一层折射率为n、厚度为h的介质膜，则( )。

A．当n＞1.5时，该膜一般具有增加反射的作用

B．若镀增透膜，则所镀膜的折射率越大，增透效果越好

C．当满足 $如果在折射率为1.5的玻璃基体表面镀一层折射率为n、厚度为h的介质膜，则( )。 A．当n$ 的奇数倍，则增反或增透效果最好

D．当满足 $如果在折射率为1.5的玻璃基体表面镀一层折射率为n、厚度为h的介质膜，则( )。 A．当n$ 的偶数倍，则只能增反

E．光的入射角越大，增透效果越差

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