试题与答案

a、b两种单色光以相同的入射角从空气中射入介质中时,如图所示发现b的折射线更靠近

题型:选择题

题目:

a、b两种单色光以相同的入射角从空气中射入介质中时,如图所示发现b的折射线更靠近法线,由此可判定(  )

A.a比b更容易发生衍射现象

B.当光从介质射向空气中,a、b要发生全反射的临界角分别为Ca、Cb,则Ca<Cb

C.在介质中b的速度较大

D.单色光b的频率较低

答案:

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72-75 ACDB

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