如图所示，一束光垂直射向一顶角为30°的玻璃三棱镜．请在图中画出光通过三棱镜的光路图 （1）请在图A中画出动力F1的力臂L1． 如图B所示，一直角...
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| 光从空气入射到玻璃界面上，传播方向不变，当光从玻璃斜射入空气中时，折射角大于入射角，折射光线将远离法线．在作图时，注意先做出法线． 故答案为： |
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