Between two coherent waves phase is

Question

Between two coherent waves phase is (A) φ (x)= constant (B) φ (t)= constant (C) φ (x) = φ (t) = constant (D) φ (x) ≠ φ (t)

Tardigrade Admin · Accepted Answer

Two sources are said to be coherent, if they emit light waves of same frequency or wavelength and of a stable phase difference ie,φ (x)= constant.

Q. Between two coherent waves phase is