JEE · NEET Previous Year Question

Two coherent sources of light interfere and produce fringe pattern on a screen. For central maximum, the phase difference between the two waves will be [NEET 2020]

Topic: NEET PYQ

Answer: A. Full step-by-step solution below.

  1. Azero
  2. B
  3. C
  4. D

Correct answer: A

Solution

(a) For central maximum, path difference is zero for both coherent sources in interference.
Hence, phase difference

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