Demonstration Motor with Newton's Colour Disc

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Description

Demonstration Motor with Newton's Colour DiscThis apparatus demonstrates a simple motor but also demonstrates Newton's Colour Disc. Newtons disc is a coloured disc which is painted with the colours of white light in equal proportions so that when it is rotated very fast, the disc appears white. This is due to a property of the eyes called persistence of vision (Even after an object is removed, the impression of an object seen by the eye remains on the retina for 1 16th of a second. If we see

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