Optical Fiber Measurements MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Optical Fiber Measurements, a fundamental topic in the field of Optical Communication. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Optical Fiber Measurements MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Optical Fiber Measurements mcq questions that explore various aspects of Optical Fiber Measurements problems. Each MCQ is crafted to challenge your understanding of Optical Fiber Measurements principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Optical Communication tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Optical Fiber Measurements MCQs are your pathway to success in mastering this essential Optical Communication topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Optical Fiber Measurements. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Optical Fiber Measurements knowledge to the test? Let's get started with our carefully curated MCQs!

Optical Fiber Measurements MCQs | Page 5 of 7

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Q41.
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

Discuss
Answer: (a).Round robin test
Q42.
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

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q43.
How many bend effects are produced in the fiber?

a.

One

b.

Three

c.

Two

d.

Four

Discuss
Answer: (c).Two
Q44.
_______________ 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

Discuss
Answer: (d).Refracted near-field method
Q45.
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

Discuss
Answer: (a).Refracted near-field method
Q46.
The ____________ affects the light gathering capacity and the normalized frequency of the fiber.

a.

Numerical aperture

b.

Amplitude modulation

c.

Responsivity

d.

Quantum efficiency

Discuss
Answer: (a).Numerical aperture
Q47.
The numerical aperture for a step index fiber is sine angle of the ____________

a.

Efficient angle

b.

Aperture

c.

Acceptance angle

d.

Attenuation

Discuss
Answer: (c).Acceptance angle
Q48.
The calculations of the numerical aperture from a refractive index data are less accurate for the graded index fibers than for step index fibers.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q49.
Far field pattern measurements with regard to multimode fibers are dependent on the _____________ of the fiber.

a.

Amplitude

b.

Frequency

c.

Diameter

d.

Length

Discuss
Answer: (d).Length
Q50.
The screen is positioned 10 cm from the fiber end face. When illuminated from a wide angled visible source the measured output pattern size is 6.2 cm. Calculate the approximate numerical aperture of the fiber.

a.

0.21

b.

0.30

c.

0.9

d.

1.21

Discuss
Answer: (b).0.30
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