Page 7 - HAIR COLOUR
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Newton’s circular electromagnetic spectrum explains that there is no
individual wavelength for the colours purple, or brown. A purple hue
emits from a mixture of invisible wavelengths between Gamma rays at
100th of a nano metre and Radio waves 1metre or longer. Also, equal
amounts of three or more wavelengths in the visible spectrum are
reflected, the colour brown will be visible. (Fig 4.)
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