Question

Two identical light sources s₁ and s₂ emit light of same wavelength `lambda`. These light rays will exhibit interference if their ______.

विकल्प

• phase differences remain constant. 

• phases are distributed randomly.

• light intensities remain constant.

• light intensities change randomly.

Answer 1

Two identical light sources s₁ and s₂ emit light of same wavelength `lambda`. These light rays will exhibit interference if their ______.

Explanation:

For interference, phase difference must be constant.