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Question: Answered & Verified by Expert
The refractive index of glass is $1.520$ for red light and $1.525$ for blue light. Let $D_1$ and $D_2$ be an of minimum deviation for red and blue light respectively in a prism of this glass. Then
PhysicsRay OpticsJEE MainJEE Main 2006
Options:
  • A
    $D_1>D_2$
  • B
    $\mathrm{D}_1 < \mathrm{D}_2$
  • C
    $D_1=D_2$
  • D
    $D_1$ can be less than or greater than depending upon the angle of prism
Solution:
1675 Upvotes Verified Answer
The correct answer is:
$\mathrm{D}_1 < \mathrm{D}_2$
$D=(\mu-1) A$
$D_2>D_1$

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