Walter Lewin's Physics 8.02* course on MIT OCW explains exactly how many colors there are in a rainbow. And, really, it's far more complicated than you think.

* http://ocw.mit.edu/OcwWeb/Physics/8-02Electricity-and-MagnetismSpring2002/CourseHome/

--
Tilly is my hero.

In reply to Re: How many colors does a rainbow have? by deprecated
in thread How many colors does a rainbow have? by ambrus

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