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本知识板块包括六个知识点,分别是光的直线传播,光的反射和平面镜成像,光的折射,光的色散和看不见的光,透镜及其应用,眼睛和眼镜、显微镜和望远镜.本专题的重点是光的直线传播条件及应用、光的反射、平面镜成像、光的折射、凸透镜成像规律及应用.历年中考中都频繁考查相关知识.而光学作图也是历年中考的必考题型,能考查同学们对相关光学知识的理解,
The knowledge section consists of six points of knowledge: linear light propagation, light reflection and planar mirror imaging, light refraction, light dispersion and invisible light, lenses and their applications, eyes and glasses, microscopes and telescopes. The topic focuses on the conditions of linear propagation of light and its application, light reflection, plane mirror imaging, light refraction, convex lens imaging rules and applications.College research over the years frequently examine the relevant knowledge.Optical mapping is also the exam questions in the calendar year, Students can examine the understanding of the relevant optical knowledge,