Question

How will you prove that with the help of experiment that white light contain seven colour​

Answer 1

Answer:

The first prism P1 disperses the white light into seven colours. The second prism P2receives these seven colours and recombines them into white light. Thus a beam of white light emerges from the other side of the second prism. This observation gave Newton the idea that the sunlight is made of seven colours.

Answer 2

Answer:

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The first prism P1 disperses the white light into seven colours. The second prism P2receives these seven colours and recombines them into white light. Thus a beam of white light emerges from the other side of the second prism. This observation gave Newton the idea that the sunlight is made of seven colours.