Question:

A film of refractive index j is illuminated by white light

Last updated: 6/21/2023

A film of refractive index j is illuminated by white light

A film of refractive index j is illuminated by white light at an angle of incidence reflected light two consecutive bright fringes of wavelengths 2 and 2 are fo overlapping Show that the thickness of the film is 2 22 1 2 2 2 sin 1