Question

How are coherent sources produced?

Answer 1

Answer:

Two sources are said to be coherent if they have exactly the same frequency and zero or constant phase difference between them. Methods to produce them: ✔Division of wavefront where wavefront is divided into two parts by reflection,refraction or diffraction .

Answer 2

Answer:

two sources are said to be coherent if they have exactly the same frequecy and zero or constant phase different between them.

Explanation:

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