(a)A medium index of refraction (b)A lower index of refraction than the cladding (c)A lower index of refraction than air (d)A higher index of refraction than the cladding
Answer
Answer : (d)
Explanation
Explanation : No answer description available for this question. Let us discuss.
Optical Fiber Waveguides » Exercise - 12. The refractive index of the core region is always ……… that of the cladding region. (a) greater than (b) less than (c) equal to (d) none of the above
Optical Fiber Waveguides » Exercise - 16. The operation of the fiber-optic cable is based on the principle of : (a) refraction (b) reflection (c) dispersion (d) absorption
Optical Fiber Waveguides » Exercise - 1 11. The ratio of speed of light in air to the speed of light in another substance is called the : (a) speed factor (b) index of reflection (c) index of refraction (d) dielectric constant