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理论联系实际既是物理教学的出发点,又是物理教学的立足点,这就要求教师在物理教学中密切联系实际,引导学生分析生活中的一些具体问题,才能使学生学以致用,形成能力。下面列举笔者在几何光学教学中引入的几例实际应用问题供大家参考: 在讲“光的反射平面镜”一节时,笔者出了这样一道题:自行车尾灯的反光面由若干个面镜组合而成,现有如下几种设计方案,应选择哪一种:
The connection between theory and practice is not only the starting point of physics teaching, but also the foothold of physics teaching. This requires teachers to closely relate to reality in physics teaching, guide students to analyze some specific problems in life, and enable students to apply their knowledge and form their abilities. Listed below are several examples of actual applications introduced by the author in the teaching of geometrical optics for your reference: When speaking about the “reflective mirror of light” section, the author asked the following question: The reflective surface of a bicycle taillight consists of several mirrors. Combined, there are several types of existing design solutions, which one should be selected: