Physics-
General
Easy
Question
An interference is observed due to two coherent sources 'A' & 'B' having phase constant zero separated by a distance 4 
along the y - axis where is the wavelength of the source. A detector D is moved on the positive x - axis. The number of points on the x - axis excluding the points , 
sat which maximum will be observed is
- three
- four
- two
- infinite
The correct answer is: three
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physics-General
