如图所示，一束光射向凸透镜经折射后，折射光线射到一个平面镜上．请在图中画出射向凸透镜这束入射光和经平面镜反射的光路，并标出反射角的度数．_刷题宝

题干

如图所示，一束光射向凸透镜经折射后，折射光线射到一个平面镜上．请在图中画出射向凸透镜这束入射光和经平面镜反射的光路，并标出反射角的度数．

上一题下一题 0.0难度选择题更新时间:2013-03-04 10:39:15

答案(点此获取答案解析）

解：标出反射角如图：

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