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笔者想通过这一课使学生认识到物理学习中也需要感性图形的辅助【新课引入】人类对事物的认知一般都是从感性到理性从具体到抽象,今天我们体验几何光学中的感性与理性【进入新课】一、由感性到理性表述几何光学概念规律(1)感性图形的表述曾经有位同学问过这样一个问题:光线发生全发射为什么一定要从光密介质射向光疏介质才会发生呢?
I would like to pass this lesson to enable students to recognize that the physical learning also needs the assistance of emotional graphics [new class introduction] human cognition of things are generally from the sensibility to the rational from the specific to the abstract, today we experience the sensibility of geometric optics And reason into a new lesson First, from the emotional to rational representation of the concept of geometric optics (1) the expression of emotional graphics Have a classmate asked such a question: why all light emission must be shot from the light-dense media to light sparse Media will happen?