sinic = 1/n , where n = refractive index of the denser media w.r.t. the rarer medium.
Class 12 Physics Chapter 9 Ray Optics and Optical Instruments Session 2024-2025.
Write the relation between the refractive index and critical angle for a given pair of optical media.
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The relation between the refractive index (n) and the critical angle (θ c ) for a given pair of optical media is:
n = 1/sinθ c
where θ c is the angle of incidence for total internal reflection.
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