b. The numerical aperture of an optical fibre is (0 + 0.525). If the refractive index of cladding of this fibre is (0+ 1.45), find the refractive index of core of the fibre.
b. The numerical aperture of an optical fibre is (0 + 0.525). If the refractive index of cladding of this fibre is (0+ 1.45), find the refractive index of core of the fibre.
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Transcribed Image Text:b. The numerical aperture of an optical fibre is (0 + 0.525). If the refractive index of cladding
of this fibre is (0 + 1.45), find the refractive index of core of the fibre.
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