railway Gujarat Metro Maintainer 2023 Mock Test Electronic Mechanic Electronic Devices and Circuits Opto Electronic Components
What is false about Optical Fiber
1
information is passed through light
2
confining the light inside the optical fiber is termed Total internal reflection.
3
refractive index of the core is always less than the refractive index of the cladding.
4
step-index optical fiber refractive index of the core is higher than the cladding