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人为什么看不到红外线
更新时间: 2020-11-09 00:00:00  

因为红外线在可见光谱之外,所以眼睛看不到红外线,当透过红色液体时,它的光频率不会变,所以眼睛依然看不到。红外线是一种电磁波,波长比红光长,肉眼看不到。所有的物体都会发出红外线。有些种类的动物就是靠红外线来识别物体,如蛇等。

关键词: 人为 什么 红外线

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