1) Explain light propagation through optical fiber with the help of diagram.
2) Explain the scattering losses in the O.F.
3) Explain the operation of LED in the O.F. communication.
4) Define the following term:
a) Numerical Aperature
b) Refraction
c) Total internal Reflection
d) Acceptance angle
5) Explain some of the benefits and drawbacks of O.F. over the copper cable. Explain the Rayleigh bending loss and scattering losses in the O.F. cable.
6) Describe the working of avalanche detection in the O.F.
7) Explain the construction and working of O.F.
8) Explain the O.F. communication with the help of suitable block diagram.
9) Specify any two light sources and any two light detectors.