Question

What are the way togetther coherent waves​

Answer 1

Answer:

The waves are said to be coherent if they have same wavelength, frequency and constant phase difference. For Example, sound waves from two loud speakers by same audio oscillator produces coherent waves. ... There are two ways to produce coherent sources. The first method is by the division of wavefront.

Explanation:

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Answer 2

Answer:

Coherence, a fixed relationship between the phase of waves in a beam of radiation of a single frequency. Two beams of light are coherent when the phase difference between their waves is constant; they are noncoherent if there is a random or changing phase relationship.