Question

Explain the colours in a thin film when exposed to sunlight.

Answer 1

When a thin film is exposed to white light from an extended sources, it shows beautiful colours in the reflected system. Light is reflected from the top and bottom surfaces of a thin film and the reflected rays interfere.

Answer 2

Answer:

A ray incident on a thin transparent film undergo reflection from the upper and lower surfaces of the film they travel along different paths and may be reunited to produce interference