Explore topic-wise MCQs in Optical Communication.

This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Optical Communication knowledge and support exam preparation. Choose a topic below to get started.

1.

The _______ method is the most commonly used method for the determination of the fiber refractive index profile.

A. Refracted near-field method
B. Bending-reference
C. Power step method
D. Alternative test method
Answer» B. Bending-reference
2.

_______________ method does not require a leaky mode correction factor or equal mode excitation.

A. Bending-reference
B. Power step method
C. Alternative test method
D. Refracted near-field method
Answer» E.
3.

The effective cutoff wavelength for a cabled single mode fiber will be generally smaller than that of the un-cabled fiber.

A. True
B. False
Answer» B. False
4.

What does ‘a’ stands for in the given equation?

A. Radius of the core
B. Constant
C. Coefficient of refraction
D. DensityView Answer
Answer» B. Constant
5.

A multimode fiber has many cutoff wavelengths.

A. False
B. True
Answer» C.
6.

THE_________METHOD_IS_THE_MOST_COMMONLY_USED_METHOD_FOR_THE_DETERMINATION_OF_THE_FIBER_REFRACTIVE_INDEX_PROFILE.?$

A. Refracted near-field method
B. Bending-reference
C. Power step method
D. Alternative test method
Answer» B. Bending-reference
7.

_______________method does not require a leaky mode correction factor or equal mode excitation?

A. Bending-reference
B. Power step method
C. Alternative test method
D. Refracted near-field method
Answer» E.
8.

How many bend effects are produced in the fiber?

A. One
B. Three
C. Two
D. Four
Answer» D. Four
9.

The effective cutoff wavelength for a cabled single mode fiber will be generally smaller than that of the un-cabled fiber. State whether the given statement is true or false.

A. True
B. False
Answer» B. False
10.

What is the name of the test used to determine the efficient values of the effective cutoff wavelength?

A. Round robin test
B. Mandarin test
C. Hough Werner test
D. Fulton test
Answer» B. Mandarin test
11.

How many methods are used to determine the effective cutoff wavelength?

A. Two
B. One
C. Four
D. Three
Answer» E.
12.

The _________ wavelength is defined as the wavelength greater than which the ratio of the total power and the fundamental mode power has to be decreased to less than 0.1dB.

A. Magnetic
B. Quasi
C. Cut-off
D. EIA
Answer» D. EIA
13.

What does ‘a’ stands for in the given equation?$

A. <sup>2</sup>(n<sub>1</sub><sup>2</sup>-n<sub>2</sub><sup>2</sup>)
B. Radius of the core
C. Constant
D. Coefficient of refraction
Answer» B. Radius of the core
14.

A multimode fiber has many cutoff wavelengths. State whether the given statement is true or false.

A. False
B. True
Answer» C.