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The Colors of Light

The Colors of Light. The various colors of the visible spectrum have slightly different wavelengths and refract by a slightly different amount. The Primary colors of the visible spectrum are red , green and blue . Secondary colors are cyan , magenta and yellow . . Homework.

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The Colors of Light

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  1. The Colors of Light The various colors of the visible spectrum have slightly different wavelengths and refract by a slightly different amount. The Primary colors of the visible spectrum are red, green and blue. Secondary colors are cyan, magenta and yellow.

  2. Homework Seeing colour For example, a red book only reflects red light: White light Only red light is reflected The colour an object appears depends on the colours of light it reflects.

  3. A pair of purple trousers would reflect purple light (and red and blue, as purple is made up of red and blue): Purple light A white hat would reflect all seven colours: White light

  4. Red Filter Magenta Filter Using filters Filters can be used to “block” out different colours of light:

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