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The refractive index of glass is 1.520 for red light and 1.525 for blue light. Let D₁ and D₂ be an of minimum deviation for red and blue light respectively in a prism of this glass. Then

Options

  1. AD₁>D₂
  2. BD ₁ < D ₂
  3. CD₁=D₂
  4. DD₁ can be less than or greater than depending upon the angle of prism

Correct answer

B. D ₁ < D ₂

Step-by-step solution

D=( -1) AD₂>D₁

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