railway Gujarat Metro Maintainer 2023 Mock Test Electromagnetic Theory Waveguides and Guided Waves Optical Fiber
What is the value of maximum number of modes that requires for the successful propagation of light in the fibre?
1
mm ∝ \(\frac{2d}{\lambda}\)
2
mm ∝ \(\frac{d}{\lambda}\)
3
mm ∝ \(\frac{d}{2\lambda}\)
4
mm ∝ \(\frac{2\lambda}{d}\)