Question

Write any four the necessary conditions for interference of light.

Answer 1

The conditions for the interference of light are as under.
(i) Light source should be monochromatic.
(ii) Both the waves should be of same frequency.
(iii) Both the waves should be travel in the same direction.
(iv) The amplitude of both the waves should be nearly same or equal.
(v) Both the sources(slits) should be very thin.