The wavelength of light is important for thin film interference to occur within the film itself.

Question

Quizplus · Accepted Answer

Thin film interference occurs when light waves reflect off of the top and bottom surfaces of a thin film, interfering with each other. The thickness of the film and the wavelength of the light determine the interference pattern. A difference in thickness of the film by a quarter wavelength of the light results in destructive interference, while a half wavelength results in constructive interference. Therefore, the wavelength of light is crucial for thin film interference to occur.

The Wavelength of Light Is Important for Thin Film Interference