10 The outer surface of a transparent glass slab of

Last updated: 6/13/2023

10 The outer surface of a transparent glass slab of refractive index g 1 5 is coated by a thin layer of transparent medium of refractive index c 1 6 Orange light of wavelength 6400 falls normally on the coating The reflected light at the upper surface and at the lower surface of the coat interfere destructively If thickness of the coat is 5K x 10 8 m calculate the minimum value of K ismer