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折射率是光学中的一个重要概念和物理量，也是考查的热点和难点．复习应使学生加深对折射率的理解，提高分析解决有关问题的能力，形成以折射率为核心的知识结构．我在复习折射率时注意了以下三个加强．１折射率概念的加强 在加强折射率概念教学中注意了如下几点． （１）折射
Refractive index is an important concept and physical quantity in optics. It is also a hotspot and difficult point to examine. The review should enable students to deepen their understanding of refractive index, improve their ability to analyze and solve relevant problems, and form a knowledge structure with refractive index at the core. I paid attention to the following three enhancements when reviewing the refractive index. 1The concept of refractive index is strengthened Attention is paid to the following points in the teaching of strengthening the concept of refractive index. (1) Refraction