Question:

A soap film (n=1.33) in the air is 270 nm thick. If it is illuminated with white light at normal incidence what colour will it a

A soap film (n=1.33) in the air is 270
nm thick. If it is illuminated with
white light at normal incidence what
colour will it appear to be in
reflected light?
O Green light
o White light
O Blue light
Red light

A soap film (n=1.33) in the air is 270 nm thick. If it is illuminated with white light at normal incidence what colour will it appear to be in reflected light? O Green light o White light O Blue light Red light