

Total Internal Reflection in Optical Fibers
Interactive Video
•
Physics, Science
•
9th - 12th Grade
•
Practice Problem
•
Hard
Liam Anderson
FREE Resource
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8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is total internal reflection important in modern technology?
It enables efficient communication through optical cables.
It helps in the transmission of electrical signals.
It is used in the manufacturing of lenses.
It is used in the design of solar panels.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to light when it hits a surface at a glancing angle in total internal reflection?
It scatters in all directions.
It passes through the material.
It gets reflected back internally.
It gets absorbed by the material.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is necessary for total internal reflection to occur?
The material must be opaque.
The material must be less optically dense than the surrounding material.
The material must be transparent.
The material must have a higher index of refraction than the surrounding material.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What shapes can be used to confine light for total internal reflection?
Only circular shapes
Only rectangular shapes
Only triangular shapes
Any shape
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a typical example of a light fiber used in total internal reflection?
A metal wire
A plastic strand
A glass rod
A rubber tube
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the source of light in the practical demonstration of optical fibers?
A source of light in the base
A light bulb
A laser pointer
A flashlight
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens if you bend an optical fiber too sharply?
The total internal reflection effect is lost.
The fiber breaks.
The light continues to channel through.
The light gets absorbed.
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