Categories > Ray Optics and Optical Instruments > Total Internal Reflection > With respect to air critical angle in a medium for light of red colour $[{{\lambda }_{1}}]$ is $\theta $. Other facts remaining same, critical angle for light of yellow colour $[{{\lambda }_{2}}$] will be

Ray Optics and Optical Instruments

Question: With respect to air critical angle in a medium for light of red colour $[{{\lambda }_{1}}]$ is $\theta $. Other facts remaining same, critical angle for light of yellow colour $[{{\lambda }_{2}}$] will be


1) $\theta $
2) More than $\theta $
3) Less than $\theta $
4) $\frac{\theta {{\lambda }_{1}}}{{{\lambda }_{2}}}$
Solution: Explanation: No Explanation
Total Internal Reflection

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