对于光的衍射现象，下述定性分析中错误的是( )
A．光的衍射是光在传播过程中绕过障碍物发生弯曲的传播现象
B．光的衍射现象否定了光的直线传播的结论
C．光的衍射现象为光的波动说提供了有力的证据
D．衍射花纹图样是光波相互叠加的结果
答案：B
当障碍物或孔的尺寸小于光的波长或可以跟波长相比拟时，发生明显衍射现象，光的直线传播是障碍物或孔的尺寸远大于光的波长时表现出的现象，者并不矛盾，都是光在不同条件下的行为，所以A
对D错。衍射也是波动性的特征，是光的叠加，故C、D都是正确的．[
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| There are differences 1 boys' and girls' favorite subjects 2 school. Many young 3 like music and languages. Most 4 boys like P.E. 5 many sixteen-year-old boys like science 6 maths. Many sixteen-year-old girls 7 foreign languages (外语), but science and maths 8 their favorite subjects. 9 don't girls and boys have 10 favorite subjects? We do not know. | ||||
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