MCQ in Fiber Optics Communications Part 3 – Answers

(Last Updated On: April 27, 2020)

MCQ in Fiber Optics Communications Part 3 | ECE Board Exam

Below are the answers key for the Multiple Choice Questions in Fiber Optics Communications Part 3.

101. Synchronous Optical Network

102. An attenuation increase caused by bends radiating from the side of the fiber

103. 700 – 1200 nm

104. Higher losses

105. Optical Time Domain Reflectometer

106. All of these

107. Noise

108. 0.01

109. 0.02

110. 0.05

111. Stepped index operation

112. Refractive index

113. Both fusion and butt

114. Optoisolator

115. 4 %

116. Antireflection coating

117. Cladding boundary at high angle

118. Refraction

119. It has high losses

120. Light power out of a fiber

121. Cancels reflective waves

122. Amplification of optical signal

123. Snell’s law

124. 5

125. Wavelength dependence of the index of refraction

126. Dependence of the propagation constant on the mode number

127. Absorption and Rayleigh scattering

128. Dispersion

129. Product of the bandwidth and distance

130. Quantum efficiency

131. Holes and electrons

132. PMT

133. Intensity

134. Photocurrent

135. PMT

136. 0.15 dB

137. White

138. 40 GHz

139. 0.1

140. Polymer jacket

141. Directly proportional to the Planck’s constant

142. 1.5

143. 2.0

144. Angstroms

145. 0.01 dB or less

146. Optical power meter

147. Beam-splitting coupler

148. Diffuse reflection

149. Lithium Niobate

150. Intensity modulation and polarization modulation

Questions and Answers in Fiber Optics Communications Series

Following is the list of multiple choice questions in this brand new series:

MCQ in Optical Fiber Communications
PART 1: MCQ from Number 1 – 50                        Answer key: PART 1
PART 2: MCQ from Number 51 – 100                   Answer key: PART 2
PART 3: MCQ from Number 101 – 150                 Answer key: PART 3
PART 4: MCQ from Number 151 – 200                 Answer key: PART 4
PART 5: MCQ from Number 201 – 250                 Answer key: PART 5
PART 6: MCQ from Number 251 – 300                 Answer key: PART 6

Complete List of MCQ in Communications Engineering per topic

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