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NTA Abhyas JEE Main2020PhysicsWave OpticsPractice

To demonstrate the phenomenon of interference we require two sources which emit radiation of

Options

  1. Anearly the same frequency
  2. Bthe same frequency
  3. Cdifferent wavelength
  4. Dthe same frequency and having a definite phase relationship

Correct answer

D. the same frequency and having a definite phase relationship

Step-by-step solution

For interference phenomenon, two sources should emit radiation of the same frequency and having a definite phase relationship.

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