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wu li zhi yan kan " se " qi guan
Author(s): 
Pages: 10-15
Year: Issue:  11
Journal: Knowledge is Power

Abstract: 清晨,当第一缕金色的阳光穿破云层,照耀到你的身上.一片片翠色欲滴的树叶向你招手,一簇簇鲜红的花朵向你微笑……你抬头仰望湛蓝的天空,相信会被这五彩斑斓的世界打动.你可否想过,这么多美丽的颜色从何而来?颜色背后又蕴含着怎样的物理知识呢? 什么是颜色 颜色是人眼对不同波长的可见光的感知.光是一种电磁波,可见光则是波长范围在380~780nm内的电磁波,超出这个范围的光波人眼看不见,例如紫外线和红外线.
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