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光的全反射现象在自然界中是经常可以看到的,为激发学生的学习兴趣,较深地感知全反射现象,可指导做一个小实验,即观察水中的气泡界面的反射光,给学生一只盛水的烧杯和
The phenomenon of total reflection of light can often be seen in nature. In order to stimulate students’ interest in learning and to perceive the phenomenon of total reflection deeper, a small experiment can be instructed to observe the reflected light at the air bubble interface and give students a Only beakers and water