Sawaal
6
Q:

The colour of a thin film is due to

A) Scattering B) Dispersion
C) Diffraction D) Interference

Answer:   D) Interference



Explanation:

In physics, interference is a phenomenon in which two waves superpose to form a resultant wave of greater, lower, or the same amplitude. The color bands in thin films are a result of wavelength dependent interference caused by the close spacing of the surfaces of the film.

Subject: Physics
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