Physics-
General
Easy
Question
Two coherent sources separated by distance d are radiating in phase having wavelength 
. A detector moves in a big circle around the two sources in the plane of the two sources. The angular position of n = 4 interference maxima is given as
The correct answer is:
Here path difference at a point 
on the circle is given by
(i)
For maxima at
(ii)
From equation (i) and (ii)
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