The essential condition for obtaining a susta | vedclass

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(A) For an interference pattern to be sustained (or stable) over time,the phase difference between the waves emitted by the two sources must remain co

Vedclass · Accepted Answer

have a constant phase difference.

Vedclass · Answer

(A) For an interference pattern to be sustained (or stable) over time,the phase difference between the waves emitted by the two sources must remain constant. This is the definition of coherent sources. If the phase difference changes with time,the interference pattern will shift rapidly,resulting in a time-averaged intensity that appears uniform,making the pattern invisible to the human eye. Therefore,the primary condition is that the sources must be coherent,meaning they maintain a constant phase difference.

The essential condition for obtaining a sustained interference pattern is that the two sources must . . . . . .

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