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彩虹是由哪几种颜色组成的哪几种

更新时间: 2020-07-12 00:00:00     

彩虹是气象中的一种光学现象,当阳光照射到半空中的水珠,光线被折射及反射,在天空上形成拱形的七彩的光谱。彩虹的七彩颜色究竟是哪七种有不同的说法,中国最普遍的说法,从外至内是:红、橙、黄、绿、青、蓝、紫。西方的说法是:红、橙、黄、绿、蓝、靛 、紫,源於科学家牛顿分解七原色后取的名字。

关键词: 彩虹 颜色 组成

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