The refractive index of the core of an optical fiber is μ2 and that of the cladding is μ1. The angle of incidence on the face of the core so that the light ray just undergoes total internal reflection at the cladding is

The refractive index of the core of an optical fiber is μ2 and that o

1.	The refractive index of the core of an optical fiber is μ2 and that of the cladding is μ1. The angle of incidence on the face of the core so that the light ray just undergoes total internal reflection at the cladding is
Answer» The refractive index of the core of an optical fiber is $μ_{2}$ and that of the cladding is $μ_{1}$ . The angle of incidence on the face of the core so that the light ray just undergoes total internal reflection at the cladding is

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The refractive index of the core of an optical fiber is μ2 and that of the cladding is μ1. The angle of incidence on the face of the core so that the light ray just undergoes total internal reflection at the cladding is

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