Show dispersion of white light through a glass prism and describe the activity .

The phenomenon of splitting of white light into its seven constituent colours when it passes through a glass prism is called dispersion of white light. The various colours seen are Violet, Indigo, Blue, Green, Yellow, Orange and Red.

Explanation:

When a glass prism is placed in the path of a narrow beam of white light, it gets dispersed into its seven constituent colours at different angles. And, all these colours are arranged according to their wavelengths (violet, indigo, blue, green, yellow, orange and red from down to up).

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