Dispersion of light can be defined as the separation of white light beam into its seven constituent colors.
Dispersion of light can be defined as the separation of white light beam into its constituent colors: Red, Orange, Yellow, Green, Blue, Indigo and Violet. Colors are obtained when a white light beam gets dispersed on passing through a dispersive medium such as a prism. Dispersion of light occurs because light travels with different speeds in different media.