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MHT CET202312 May 2023Evening ShiftPhysicsWave OpticsActual

In Young's double slit experiment when a glass plate of refractive index 1.44 is introduced in the path of one of the interfering beams, the fringes are displaced by a distance ' y '. If this plate is replaced by another plate of same thickness but of refractive index 1.66, the fringes will be displaced by a distance

Options

  1. A3 y 2
  2. B2 y 3
  3. C5 y 4
  4. D4 y 5

Correct answer

A. 3 y 2

Step-by-step solution

As a glass plate is used in one of the paths, aligned & y ₁= (1.44-1) t & y ₁=0.44 t aligned New displacement is: aligned y ₂ & = (1.66-1) t y ₂ & =0.66 t y ₂ y ₁ & = 0.66 0.44 y ₂ & = 3 y 2 aligned

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