An optical fibre made of glass core of refractive index \mu_g = \sqrt3 having an outer covering(called cladding) of refractive index \mu_c = 1.5 . Total internal reflections will occur at the core– cladding interface if the angle of incidence (i) is less than

JEE Advanced Model Paper 6 with solutions for online practice

Question : 9 of 60

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An optical fibre made of glass core of refractive index µg = √3 having an outer covering(called cladding) of refractive index µc = 1.5 . Total internal reflections will occur at the core– cladding interface if the angle of incidence (i) is less than

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