11 A thin prism P of refracting angle 3 and refractive index

Last updated: 6/27/2023

11 A thin prism P of refracting angle 3 and refractive index 1 5 is combined with another thin prism Q of refractive index 1 6 to produce dispersion without deviation Then the angle of prism Qis 1 3 3 3 5 2 2 5 4 4