(i) A beam of white light splits when it passes through a prism. Name this phenomenon and give its reason. (ii) List the colours into which it splits in the decreasing order of their bending on emergence from prism.

(i) A beam of white light splits when it passes through a prism. Name

1.	(i) A beam of white light splits when it passes through a prism. Name this phenomenon and give its reason. (ii) List the colours into which it splits in the decreasing order of their bending on emergence from prism.
Answer» Solution :(i) Dispersion of white light consists of seven COLOURS of different wavelengths. These components of light travel with different SPEEDS in glass and GET refracted by different angles, DUE to this splitting of white light takes place. (ii) Violet, Indigo, Blue, Green, Yellow, ORANGE, Red.