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white light

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white light

Mixture of many colours of light. If white light is passed through a prism, a band of colours called a spectrum is produced. This splitting of white light into its component colours is called dispersion. The order of the colours within the spectrum is always the same. A second inverted prism placed next to the first can be used to reverse the process, combining the coloured lights to make white light.

In 1666 Isaac Newton first proposed and demonstrated that white light was made up from a mixture of coloured lights.



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? Mentioned in ? References in classic literature
 
Suddenly the moon burst through a rift in the clouds and, himself in the shadow of a group of great oaks, the horseman saw the footman clearly, in a patch of white light.
Present At A Hanging And Other Ghost Stories by Bierce, Ambrose View in context
The white light strikes against it, and, with one exception, all its component colors--violet, indigo, green, yellow, orange, and red--are absorbed.
Moon-Face and Other Stories by London, Jack View in context
This last device produces an intensely brilliant far-reaching white light, but as the natural oil which it requires can only be obtained by mining in one of several widely separated and remote localities it is seldom used by these creatures whose only thought is for today, and whose hatred for manual labor has kept them in a semi-barbaric state for countless ages.
A Princess of Mars by Burroughs, Edgar Rice View in context
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