Q. To get well-defined fringes in interference, the two sources must be

हस्तक्षेप में अच्छी तरह से परिभाषित फ्रिज प्राप्त करने के लिए, दो स्रोत होने चाहिए

A
Coherent
सुसंगत
B
Incoherent
बेतुका
C
Broad
चौड़ा
D
Random
यादृच्छिक

Explanation

Only coherent sources produce stable and clear interference fringes. Incoherent sources have random phase relations, which destroy the interference pattern.

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