m is al of between these two colours when they emerge ou 1

Last updated: 6/24/2023

m is al of between these two colours when they emerge ou 1 659 respectively then the angular separation of the prism is 1 0 9 3 1 8 The focal length of a thin convex lens for red and blue rays are 100 cm and 96 8 cm respectively The dispersive power of the material of the lens is 2 0 09 4 1 2 1 0 0325 2 0 825 3 0 968 4 0 98 The refractive indices of the material of a lens for violet yellow and red colours of light are 1 66 1 64 nd 16 respectively The mean focal length of the