Q. Interference pattern disappears when

जब हस्तक्षेप पैटर्न गायब हो जाता है

A
Source is monochromatic
स्रोत एकवर्णी है
B
Source is coherent
स्रोत सुसंगत है
C
Phase difference is constant
चरण अंतर स्थिर है
D
Slits are illuminated with different colors
स्लिट्स को विभिन्न रंगों से रोशन किया जाता है

Explanation

Interference requires coherent and monochromatic light. If the slits are illuminated with different colors (different wavelengths), the interference patterns do not overlap properly, causing the fringes to blur or disappear due to lack of coherence and differing wavelengths.

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