如图所示mn为凸透镜的主光轴a为蜡烛a’为蜡烛在光屏上所成的像根据凸透镜成像原理确定凸透镜的位置并将凸透镜画出来. 题目和参考答案 Template




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tomski如图所示mn为凸透镜的主光轴a为蜡烛a’为蜡烛在光屏上所成的像根据凸透镜成像原理确定凸透镜的位置并将凸透镜画出来. 题目和参考答案 coloring