An oil film `(n = 1.45)` floating on water is illuminated by white light at normal incidence.
Channel: Doubtnut
Date: 26/07/2020

An oil film `(n = 1.45)` floating on water is illuminated by white light at normal incidence. The film is 280 nm thick. Find (a) the color or the light in the visible specturm most strongly reflected and (b) the color of the light in the specturm most strongly transmitted. Explain your reasoning.