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Internal assessment 3

Authored by Sushanlal 2661

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Internal assessment 3
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17 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of optical fiber is used for long-distance communication?

Single-mode fiber

Multimode fiber

Plastic fiber

Gradient index fiber

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which material is commonly used for the core of optical fibers?

Plastic

Glass

Silicon

Carbon

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What phenomenon allows light to be transmitted through optical fibers?

Reflection

Refraction

Diffraction

Absorption

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of optical fiber has a graded refractive index?

Single-mode fiber

Multimode step-index fiber

Multimode graded-index fiber

Plastic fiber

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the approximate core diameter of a single-mode fiber?

50-62.5 µm

8-10 µm

100-200 µm

20-40 µm

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of fiber suffers the least dispersion?

Multimode step-index fiber

Multimode graded-index fiber

Single-mode fiber

Plastic optical fiber

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which material is commonly used in the core of optical fibers?

 Aluminum

Silica glass

Plastic

Polycarbonate

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