EI8075 - Fiber Optics and Laser Instruments

EI8075 - Fiber Optics and Laser Instruments

University

25 Qs

quiz-placeholder

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EI8075 - Fiber Optics and Laser Instruments

EI8075 - Fiber Optics and Laser Instruments

Assessment

Quiz

Professional Development

University

Practice Problem

Easy

Created by

Ganesh N

Used 8+ times

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25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the principle of fiber optical communication?

Frequency modulation

Population inversion

Total internal reflection

Doppler Effect

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The ______ serves as a barrier to keep the light within the core, functioning much like a mirrored surface:

Core

Cladding

Coating

Strengthening Fiber

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The light sources used in fiber optics communication are :

LED’s and Lasers

Phototransistors

Xenon lights

Incandescent

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The ________ ray passes through the axis of the fiber core.

Reflected

Refracted

Meridional

Skew

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Light incident on fibers of angles________the acceptance angle do not propagate into the fiber

Less than

Greater than

Equal to

Less than and equal to

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The ratio of the speed of light in air to the speed of light in another medium is called as_________

Speed factor

Dielectric constant

Reflection index

Refractive index

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the numerical aperture of the fiber if the angle of acceptance is 16 degree

0.50

0.36

0.20

0.27

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