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一条清澈见底的小河,看上去水不是很深,但不会游泳的人千万不能贸然下河,因为河水的实际深度比看到的要深.这是由光的折射所形成的现象.下面分析与这一现象相关的四道题,希望能帮助同学们更好地理解折射现象.
A crystal clear river does not look very deep, but people who cannot swim cannot literally go down the river because the actual depth of the river is deeper than what they see. This is a phenomenon formed by the refraction of light. The following analysis of four issues related to this phenomenon, hoping to help students better understand the phenomenon of refraction.