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Sahay Sir > Question Answers > AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions > Physics > Chapter 28 - Electromagnetic Waves > What should be the maximum acceptance angle at the air-core interface of an optical fibre if n1 and n2 are the refractive indices of the core and the cladding, respectively ?

What should be the maximum acceptance angle at the air-core interface of an optical fibre if n1 and n2 are the refractive indices of the core and the cladding, respectively ?

respectively What should be the maximum acceptance angle at the air-core interface of an optical fibre if n1 and n2 are the refractive indices of the core and the cladding