两束不同�率的单色光ab以相同的入射角从空气射入水中�生了如图所示的折射现象下列说法中正确的是a.光束b的�率比光束a的�率低 b.光束 Template




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tomski两束不同�率的单色光ab以相同的入射角从空气射入水中�生了如图所示的折射现象下列说法中正确的是a.光束b的�率比光束a的�率低 b.光束 coloring