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MHT CET20243 May 2024Morning ShiftPhysicsWave OpticsActual

In an interference experiment, the n ^ th bright fringe for light of wavelength ₁(n=0,1,2,3 ) coincides with the m ^ th dark fringe for light of wavelength ₂(m=1,2,3 ) . The ratio ₁ ₂ is

Options

  1. Am-1 n
  2. B2 ~m -1 n
  3. C2 ~m -1 2 n
  4. D2 ~m +1 2 n

Correct answer

C. 2 ~m -1 2 n

Step-by-step solution

As n ^ th bright fringe coincides with m ^ th dark fringe array ll & n ₁ D ~d = (2 ~m -1) ₂ D 2 ~d & ₁ ₂ = (2 ~m -1) 2 n array

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