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Visible spectrum - Wikipedia
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N1 White Light Spectrum - Wikipedia (2008) (Violet Incorrect).jpg
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Light - Wikipedia
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Electromagnetic spectrum - Wikipedia
File:Fluorescent lighting spectrum peaks labelled.gif - Wikimedia Commons
Electromagnetic spectrum - Wikipedia
Light spectrum, from Theory of Colours. Goethe observed that with a prism, colour arises at light-dark edges, and the spectrum … | Teoria del color, Teoría, Colores
Light - Wikipedia
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Electromagnetic spectrum - Simple English Wikipedia, the free encyclopedia
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Electromagnetic spectrum - Wikipedia
