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easyMCQAIEEE 20032026Physics
1 mark

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

  1. A
    nearly the same frequency
  2. B
    the same frequency
  3. C
    different wavelength
  4. D
    the same frequency and having a definite phase relationship

Solution & Step-by-step Explanation

For sustained interference, the sources must be coherent. Coherent sources are those that emit light of the same frequency (or wavelength) and have a constant phase difference (definite phase relationship) between them.

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To demonstrate the phenomenon of interference we require two sources which emit radiation of:
A
nearly the same frequency
B
the same frequency
C
different wavelength
D
the same frequency and having a definite phase relationship

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