两束不同�率的单色光ab沿平行的方�从空气射入水中�生了如图所示的折射现象.下列结论中正确的是 A.光束b的�率比光束a低b.在水中的 Template




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tomski两束不同�率的单色光ab沿平行的方�从空气射入水中�生了如图所示的折射现象.下列结论中正确的是 a.光束b的�率比光束a低b.在水中的 coloring