(i) What is meant by dispersion of white light?
Draw a diagram to show the dispersion of white light by a glass prism.
(ii) Light of two colours A and 8 pass through a prism. A deviates more than B from its path of incidence. Which colour has a higher speed in the prism?
(i) The splitting of white light into its constituents is called dispersion of light. The diagram is as shown:
(ii) B has higher speed.