Optical Fiber

Total Questions: 8

1 - Optical Fiber works on the principle of -----?
A ) Diffraction.
B ) Dispersion
C ) Polarization
D ) Total internal reflection ✅

2 - The optical Fiber used in fiber optics are made of -----:
A ) Plastic
B ) Glass ✅
C ) Copper particles
D ) None of these

3 - The inner core of an optical Fiber is made of ------:
A ) Glass or plastic ✅
B ) Copper
C ) Bimetallic
D ) Liquid

4 - Which of the following used in optical Fiber ----:
A ) Glass particles
B ) Glass thread ✅
C ) Tiny particles
D ) None of these

5 - Optical Fiber system is mainly utilized in ----:
A ) Telecommunication system ✅
B ) Eye operation
C ) Defense system
D ) Air raid system

6 - In optical Fiber the core is usually made of ----:
A ) Silver
B ) Glass ✅
C ) Plastic
D ) Copper

7 - The speed of light in an optical Fiber is -----:
A ) Less than in air ✅
B ) Equal to in air
C ) Higher than in air
D ) Dependent on the temperature

8 - The single loss in optical Fibers is called -----:
A ) Attenuation ✅
B ) Dispersion loss
C ) Reflection loss
D ) Polarization
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