Look at the picture.the ray is going through the convex lens
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Look at the picture.the ray is going through the convex lens,Draw the spreading route of the ray in the picture.
看画面.射线通过凸透镜,绘制在画面中的光线传播路线.
学过初中物理么,就是四条光线透过凸透镜后会聚
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_________________..,_;;;____.__--------------------
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大概就是这样的,中间那个是凸透镜
学过初中物理么,就是四条光线透过凸透镜后会聚
__________________..___.---""""""""""""
_________________..,_;;;____.__--------------------
_________________..,;;;;;""";;;--.
__________________..--*''.'''""-----________
大概就是这样的,中间那个是凸透镜
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