A thin film of oil (n = 1.41) of thickness 422 nm with air on both sides is illuminated with white light at normal incidenc Determine the most strongly and the most weakly reflected wavelengths in the range 320 nm to 420 nm. (Enter your answers in nm.) HINT (a) the most strongly reflected nm (b) the most weakly reflected nm

A thin film of oil (n = 1.41) of thickness 422 nm with air on both sides is illuminated with white light at normal incidenc Determine the most strongly and the most weakly reflected wavelengths in the range 320 nm to 420 nm. (Enter your answers in nm.) HINT (a) the most strongly reflected nm (b) the most weakly reflected nm