Optical Fiber MCQ Part 2: Electronics Engineering MCQs

Optical Fiber MCQ Part 2. Multiple Choice Questions on Optical Fiber Part 2. This part includes 10 Multiple Choice Questions on Optical Fibre in Electronics Engineering. Optical Fiber MCQ Part 1

 

Optical Fiber MCQ Part 2

 

Which among the following is regarded as an inelastic scattering of a photon ??

a. Kerr Effect
b. Raman Effect
c. Hall Effect
d. Miller Effect

 

Which kind/s of misalignment assist/s in the reduction of overlap region in fiber ??

a. Angular
b. Longitudinal
c. Lateral
d. All of the above

 

Which is the correct order of sequential steps for an electric arc fusion technique ??

A. Pressing of fiber ends for fusion
B. Application of heat for smoothening of end-surfaces
C. Alignment of broken fiber edges

a. A, B, C
b. B, A, C
c. C, B, A
d. C, A, B

 

Which splicing technique involves the alignment and locking of broken fiber edges by means of positioning devices & optical cement ??

a. Fusion
b. Mechanical
c. Both a and b
d. None of the above

 

By using the Springroove splicing technique, what is the value of mean insertion loss for multi-mode graded-index fiber ??

a. 0.01
b. 0.03
c. 0.05
d. 0.09

 

Optical Fiber MCQ Part 2

In the fiber optic link, power transfer from one fiber to another and from fiber to detector must take place with _________ coupling efficiency ??

a. maximum
b. stable
c. minimum
d. unpredictable

 

In spontaneous emission, the light source in an excited state undergoes the transition to a state with _______ ??

a. Higher energy
b. Moderate energy
c. Lower energy
d. All of the above

 

Which among the following is a key process adopted for the laser beam formation as it undergoes light amplification ??

a. Spontaneous Emission
b. Stimulated Emission
c. Both a and b
d. None of the above

 

While coupling of LEDs with fiber, on which factor/s does the size of source and lighting angle generated within the semiconductor depends ??

a. Geometry of die
b. Refractive index of semiconductor
c. Encapsulation Medium
d. All of the above

 

Which among the following results in the removal of LED lens interface for achieving high coupling efficiency ??

a. Spherical lens
b. Cylindrical lens
c. Integral lens LED
d. All of the above

 

More Posts

Leave a Comment

Your email address will not be published. Required fields are marked *

error: Content is protected !!