question_answer

A beam of light consisting of red, green and blue colours is incident on a right angled prism as shown in figure. The refractive indices of the material of prism for red, green and blue colours, respectively are 1.33, 1.44, 1.47. The prism will

A) separate part of blue colour from red and green colour

B) separate all the three colours from one another

C) separate part of the red colour from green and blue colours

D) not separate even partially any colour from the other two colours