关于几何光学成像问题的几点讨论

Discussion on the Formation Image of Geometrical Optics

通过对平面镜、凹透镜、凸透镜的成像讨论 ,从而得出平面镜和凹透镜既能成虚像 ,也能成实像 ;凸透镜既能成放大的虚像 。

This paper is to discuss the formation of image by using plane mirror ,concave lens and convex lens ,and thereby reaches the conclusions that both virtual images and real images can be formed by using plane mirror and concave lens and that both larger virtual images and smaller ones can be formed by using convex lens.