Top 150+ Solved Optical Communication MCQ Questions Answer
Q. What does ISI stand for in optical fiber communication?
a. invisible size interference
b. infrared size interference
c. inter-symbol interference
d. inter-shape interference
Q. For no overlapping of light pulses down on an optical fiber link, the digital bit rate BT must be
a. less than the reciprocal of broadened pulse duration
b. more than the reciprocal of broadened pulse duration
c. same as that of than the reciprocal of broadened pulse duration
d. negligible
Q. In waveguide dispersion, refractive index is independent of
a. bit rate
b. index difference
c. velocity of medium
d. wavelength
Q. What is needed to predict the performance characteristics of single mode fibers?
a. the intermodal delay effect
b. geometric distribution of light in a propagating mode
c. fractional power flow in the cladding of fiber
d. normalized frequency
Q. Which equation is used to calculate MFD?
a. maxwell’s equations
b. peterman equations
c. allen cahn equations
d. boltzmann’s equations
Q. The difference between the modes’ refractive indices is called as
a. polarization
b. cutoff
c. fiber birefringence
d. fiber splicing
Q. A perfect semiconductor crystal containing no impurities or lattice defects is called as
a. intrinsic semiconductor
b. extrinsic semiconductor
c. excitation
d. valence electron
Q. The energy-level occupation for a semiconductor in thermal equilibrium is described by the
a. boltzmann distribution function
b. probability distribution function
c. fermi-dirac distribution function
d. cumulative distribution function
Q. The majority of the carriers in a p-type semiconductor are
a. holes
b. electrons
c. photons
d. neutrons