Question

How did Newton prove that white light is composed
of seven colours?​

Answer 1

Answer:

Sir issac newton shown that white light is composed of a number of colours by passing it through a transparent glass prism. A glass prism is a triangular refracting surface. When a beam of white light enters the prism, the light splits, forming a band of seven colours on a screen placed on the other side of the prism.

Answer 2

Answer:

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