Colour Theory and Theorists – Isaac Newton – Prism Theory

newtons prism

In 1666, Sir Isaac Newton, a mathematician and physicist  passed a beam of sunlight through a glass prism producing the visible colour spectrum of the rainbow on a wall.

To dispute the claim that the colour existed from the glass of the prism, Newton then projected light through a second prism to create white light thus observing that colour is a property of light and white is a mixture of all colours. This experiment concluded that the colour spectrum projected is the result of the prism interacting with already-coloured light rather than prism generating the colour itself.




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