Question

an optical fiber made of glass core of refractive index n2=radical 3 and having an outer covering called cladding of refractive index n3=1.5 The total internal reflections will occur at the core cladding interface if the angle of incidence from the air side theta 1 has a maximum value of ? PLZ HELPPPPP I NEED THE ANSWER AS SOON AS POSSIBLE AND THANK YOU

Answer 1

HEY MATE YOUR ANSWER

ANSWER = The critical angle for the core-cladding interface is 76.7o. 90o-76.65o= 13.35o> 2.

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