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MHT CET202120 Sep 2021Evening ShiftPhysicsWave OpticsActual

In Young's double slit experiment, the ' n ^ th ' maximum of wavelength ' ₁ ' is at a distance ' y₁ ' from the central maximum. When the wavelength of the source is changed to ' ₂ ', ( n 2 )^ th maximum is at ' y ₂ ' from its central maximum. The ratio y ₁ y ₂ is

Options

  1. A₁ ₂
  2. B2 ₁ ₂
  3. C2 ₂ ₁
  4. D₁ 2 ₂

Correct answer

B. 2 ₁ ₂

Step-by-step solution

y ₁= n ₁= n ₁ D d and y ₂= n 2 ₂= n ₂ D 2 ~d y ₁ y ₂ = 2 ₁ ₂

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