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MHT CET20225 Aug 2022Evening ShiftPhysicsWave OpticsActual

The path difference between two interfering light waves meeting at point on the screen is ( 87 2 ) . The band obtained at that point is

Options

  1. A87th bright band
  2. B44th dark band
  3. C87th dark band
  4. D44 th bright band

Correct answer

B. 44th dark band

Step-by-step solution

Path difference =87 ( 2 ) . we get a dark point and (2 n-1) 2 =87 ( 2 ) 2 n=88 n =44 we get 44^ th dark band.

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