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Statement I: Two coherent point sources of light having no-zero phase difference are separated by a small distance. Then, on the perpendicular bisector of line segment joining both the point sources, constructive inteference cannot be obtained.
Statement II: For two waves from coherent point sources to interfere constructively at a point, the magnitude of their phase difference at that point must be `2 m pi` (where m is non-negative integer).
A. Statement-1 is true, Statement-2: is true, Statement-2 is a correct explanation for Statement-1.
B. Statement-1 is true, Statement-2: is true, Statement-2 is NOT a correct explanation for Statement-1.
C. Statement-1 is true but statement-2 is false
D. Statement-1 is false, Statement-2 is true

1 Answer

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Correct Answer - D
Statement 1 is false because constructive interference can be obtained if phase difference of sources is `2pi,4pi , 6pi` etc.

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