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Why does white light disperse when it passes through a glass prism ?

Why does white light disperse when it passes through a glass prism ?

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 60787 Points
2 years ago
White light is a combination of seven colours of light. The speed of each colour is different. So, while passing through the glass prism each colour deviates by different amounts. Therefore, despersion of light into a spectrum takes place.

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