Answer to Question #214892 in Optics for lala

Question

Which statement(s) is/are TRUE about interference effect by a thin film.

A. The effect cannot occur in a vacuum.

B. The effect depends on the thickness of the film.

C. The effect is due to light reflection on both sides of the film.

D. The effect only occurs when the thin film is illuminated using white light.

Answer 1

Answer:-

C. The effect is due to light reflection on both sides of the film.

As we know this phenomenon of thin-film interference results as the light reflects off the two surfaces separated by the distance comparable to its wavelength .