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高中物理必修本中“光的反射和折射”、“光的本性”和“原子和原子核”三章,知识涉及面广,内容多而散,本文从知识结构出发,对典型问题进行例析。 1 光的反射和折射 本章是以光的直线传播为基础,研究光在同一种均匀介质中的传播以及在两种介质界面上发生反射、折射和全反射所遵循的基本规律,应用这些基本规律研究反射镜、棱镜及透镜的成像原理及规律。
The three chapters of “reflection and refraction of light”, “the nature of light”, and “atomic and atomic nucleus” in the high school physics required book cover a wide range of knowledge and scattered content. This article starts from the knowledge structure and analyzes typical problems. 1 The reflection and refraction of light This chapter is based on the linear propagation of light. We study the propagation of light in the same homogeneous medium and the basic rules followed by the reflection, refraction and total reflection at the interface between the two media. Apply these basic laws. Study the imaging principle and law of mirrors, prisms and lenses.