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彩虹是一道有七色光谱的弧,一般为赤、橙、黄、绿、青、蓝、紫。它悬于太阳对面的空中,是雨滴或雾滴对阳光产生折射分光作用而形成。
步骤
小提示
- 彩虹圈并不常见,你只有坐飞机或在较高的地方时才能俯瞰到这一现象。你从地上看到的自然形成的彩虹,远在数公里外,弧线较大,难以看到整个彩虹圈。而你自制的彩虹近在咫尺,弧线小,可以形成完整的彩虹圈。
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你需要准备
- 光盘
- 手电筒
- 水
- 镜子
- 浅色纸
- 玻璃杯
- 窗户
- 水管
- 太阳
参考
关于本How.com.vn
其他语言
English:Make a Rainbow
Italiano:Creare un Arcobaleno
Español:hacer un arcoíris
Deutsch:Einen Regenbogen machen
Português:Fazer um Arco Íris
Français:faire un arc‐en‐ciel
Nederlands:Een regenboog maken
Русский:сделать радугу
Bahasa Indonesia:Membuat Pelangi
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