PE QUESTION 4 0 The refractive indices of the crown glass

Last updated: 6/5/2023

PE QUESTION 4 0 The refractive indices of the crown glass for blue and red light are 1 51 and 1 49 respectively and those of the flint glass are 1 77 and 1 73 respectively An isosceles prism of angle 6 is made of crown glass A beam of white light is incident at a small angle on this prism The other flint glass isosceles prism is combined with the crown glass prism such that there is no deviation of the incident light Determine the angle of the flint glass prism A prism of refracting angle 30 is coated with a thin film of transparent material of refractive index 2 2 on face AC of the prism A light of wavelength 6600 is incident on face AB such that angle of incidence is 60 Find the angle of emergence