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【现象观察】生活中经常会出现这些现象:图1水中鱼的位置看起来变浅了;图2在盛水的烧杯中放入一枚硬币,在烧杯的侧面却看到了两枚硬币;图3激光笔所发出的光经过玻璃砖后,传播方向发生了改变。【提出问题】光在两种透明介质的分界面上发生折射时,会有什么规律?猜想一:光从空气斜射入水或玻璃时,折射光线偏离法线。猜想的依据是水中的鱼(或硬币)看上去变浅了。猜想二:光发生折射时,入射光线、折射光线和法线在同一平面内,折射光线和入射光线分居于法线两
Phenomenon Observation Often appear in life, these phenomena: Figure 1 water fish looks shallow; Figure 2 in a water beaker into a coin, the beaker side saw two coins; 3 laser pen issued by the light through the glass brick, the transmission direction has changed. [Ask a question] What happens when light is refracted at the interface between two transparent media? Conjecture 1: Refracted light deviates from the normal when light is obliquely injected into water or glass from air. The conjecture is based on the fact that the fish (or coins) in the water appear to be shallow. Guess two: light refraction, the incident light, refracted light and normal in the same plane, the refracted light and incident light separated in the normal two