JEE Main & Advanced
Physics
Question Bank
Prism Theory and Dispersion of Light
question_answer
A parallel beam of white light falls on a convex lens. Images of blue, yellow and red light are formed on other side of the lens at a distance of 0.20 m, 0.205 m and 0.214 m respectively. The dispersive power of the material of the lens will be [MP PMT 1991]