Two sources are called coherent if they produce waves

Question

Two sources are called coherent if they produce waves

Two sources are called coherent if they produce waves
A. having a constant phase difference
B. of equal wavelength
C. of equal speed
D. having same shape of wavefront

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - A
The phase difference `=(2pi)/(lambda)xx`(path difference)
The phase difference in independent of time and depends only on the path difference `(x_(2)-x_(1))`. This hold only if the two sources are coherent i.e. they have a constant fixed phase difference between them.

4 views Answered 2023-02-05 15:29