Question

describe Dispersion of white light by a prism and list the colour of spectrum what is meant by least distance of distinct vision

Answer 1

splitting of a white into seven colour obtained on a screen when it pass through a glass prism is called dispersion


there are seven colour of a spectrum named as

1)Violet
2) Indigo
3) Blue
4) Green
5) Yellow
6) Orange
7)Red

least distance of distinct vision is the near point of human eye.

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