Q. Coherent sources are those which emit waves having the same

सुसंगत स्रोत वे हैं जो समान तरंगें उत्सर्जित करते हैं

A
Amplitude
आयाम
B
Frequency and constant phase difference
आवृत्ति और स्थिर चरण अंतर
C
Speed
रफ़्तार
D
Direction
दिशा

Explanation

Coherent sources are required to produce stable interference patterns. They must emit waves with:

  • The same frequency

  • A constant phase difference
    This ensures constructive and destructive interference remains stable over time.

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