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为什么海shui是蓝美丽的地球的?

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为什么海水是蓝se的?

为 什么海水看上去是蓝se的呢?原来,这是海水对光线的xi收、反she1及散she1造成的。太yangshe1到海洋表面的可见光有红、橙、黄、绿、盐、蓝、紫七se。海水很容易xi收波长较长的光,如红光、橙光、黄光。这些光she1入海水后,绝大bu分被海水xi收。而绿、盐、蓝、紫等波长较短的光,碰上海水分子或其他微粒阻挡,会发生不同程度的散she1和反she1。其中蓝se和紫se最易被散she1和反she1。又由于人们的yan睛对紫se光很不mingan,往往视而不见,而对蓝se的光比较mingan。这样,海水看上去便成蓝se的了。

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