Optical Fiber Waveguides MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Optical Fiber Waveguides, 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 Waveguides 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 Waveguides mcq questions that explore various aspects of Optical Fiber Waveguides problems. Each MCQ is crafted to challenge your understanding of Optical Fiber Waveguides 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 Waveguides 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 Waveguides. 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 Waveguides knowledge to the test? Let's get started with our carefully curated MCQs!

Optical Fiber Waveguides MCQs | Page 2 of 5

Q11.
When λ is the optical wavelength in vacuum, k is given by k=2Π/λ. What does k stand for in the above equation?
Discuss
Answer: (a).Phase propagation constant
Q12.
Constructive interference occur when total phase change after two successive reflections at upper and lower interfaces is equal to? (Where m is integer)
Discuss
Answer: (a).2Πm
Q13.
When light is described as an electromagnetic wave, it consists of a periodically varying electric E and magnetic field H which are oriented at an angle?
Discuss
Answer: (a).90 degree to each other
Q14.
A monochromatic wave propagates along a waveguide in z direction. These points of constant phase travel in constant phase travel at a phase velocity Vₚ is given by?
Discuss
Answer: (a).Vₚ=ω/β
Q15.
Which is the most important velocity in the study of transmission characteristics of optical fiber?
Discuss
Answer: (b).Group velocity
Discuss
Answer: (a).Bending of light waves
Q17.
The phenomenon which occurs when an incident wave strikes an interface at an angle greater than the critical angle with respect to the normal to the surface is called as ____________
Discuss
Answer: (c).Total internal reflection
Q18.
A multimode step index fiber has a normalized frequency of 72. Estimate the number of guided modes.
Discuss
Answer: (b).2592
Q19.
A graded-index fiber has a core with parabolic refractive index profile of diameter of 30 μm, NA=0.2, λ=1 μm. Estimate the normalised frequency.
Discuss
Answer: (b).18.84
Q20.
A step-index fiber has core refractive index 1.46 and radius 4.5 μm. Find the cutoff wavelength to exhibit single mode operation. Use relative index difference as 0.25%.
Discuss
Answer: (c).1.214 μm
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