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Question: Answered & Verified by Expert
The refractive index of a certain glass is 1.5 for light whose wavelength in vacuum is $6000 \hat{A}$. The wavelength of this light when it passes through glass is
PhysicsRay OpticsJEE Main
Options:
  • A $4000 Å$
  • B $6000 Å$
  • C $9000 Å$
  • D $15000 Å$
Solution:
2360 Upvotes Verified Answer
The correct answer is: $4000 Å$
The correct option is $\mathbf{1}$
$4000 Å$
$\lambda_{\text {madtm }}=\frac{\lambda_{\text {as }}}{\mu}=\frac{6000}{1.5}=4000 \mathrm{~A}$

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