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MHT CET202211 Aug 2022Morning ShiftPhysicsWave OpticsActual

A thin transparent plate of thickness t and refractive index is introduced in the path of one of the two interfering waves. The path difference between these waves is changed by half the wavelength of light . The thickness of the plate is

Options

  1. A4( -1)
  2. B3 4( -1)
  3. C( -1)
  4. D2( -1)

Correct answer

D. 2( -1)

Step-by-step solution

Path difference after passing through a plate of thickness t and refractive index is given by, x=( -1) t= 2 t= 2( -1)

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