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什么是光的折射，为啥光线入水�下偏折，而水中筷子是�上偏折？ 知乎 Template






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tomski什么是光的折射，为啥光线入水�下偏折，而水中筷子是�上偏折？ 知乎 coloring
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什么是光的折射，为啥光线入水下偏折，而水中筷子是上偏折？ 知乎 sketch template
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某同学在做探究光的折射实验，如图是光从空气射入水中时的光路。实验中现，入射光线、折射光线和法线在同一平面内，折射光线和入射光线分别位于法线的 sketch template
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31如图所示，SA表示从空气斜射水面的一束光线，请在图中画出这束光线从空气射入水中的折射光线（大致方）。（ ） 百度教育 sketch template
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插入水中的筷子在水中的部分看起来上弯折如图所示人眼在C点处看到筷子B点的像在位置B′点．请画出B点的一条光线经水面折射后过C点的光路图 sketch template
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如图光从空气斜射入水中，请画出入射光线所对应的反射光线和在水中的折射光线的大致方。 sketch template
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如图所示小李把筷子插水杯中现筷子好象在水面上折断了于是他想探究“光的折射规律 ．1提出问题光从空气斜射入水中遵循什么规律2 sketch template
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1一条光线照射到水面生了反射和折射如图1所示这条光线是经水面折射后的光线．请根据光的反射和折射规律在图中画出它的入射光线和反射光线的 sketch template
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1如图所示一束光由空气斜射到空气和水的界面上请画出光线进入水后的传播方．2完成光路图画出经凸透镜后的光线3画出在图所示的 sketch template
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1如图一束光线从空气斜射水面时在水面生反射和折射图中给出的是其中射入水中后的折射光线请在图中画出水面上的入射光线及反射光线．2 sketch template
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生活中的折射现象像的位置比物体的位置高即像在物体的上方位置1在岸上看水中的鱼的位置“变浅”了们能够着见物体是由于物体表面反射光或 sketch template
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