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Questions and Answers
What is the principle behind the transmission of light waves in an optical fiber?
What is the principle behind the transmission of light waves in an optical fiber?
- Refraction into a rarer medium
- Absorption by the fiber material
- Reflection into a denser medium
- Total internal reflection (correct)
What is the advantage of using optical fibers over conventional coaxial cables for communication?
What is the advantage of using optical fibers over conventional coaxial cables for communication?
- Lower cost of installation
- Ability to carry radio waves
- Considerably less signal strength loss (correct)
- Higher radio wave frequency
What type of waves are used as carrier waves in optical fiber communication?
What type of waves are used as carrier waves in optical fiber communication?
- Radio waves
- Light waves (correct)
- Micro waves
- X-rays
What happens when a ray of light travels from denser to a rarer medium at an angle greater than the critical angle?
What happens when a ray of light travels from denser to a rarer medium at an angle greater than the critical angle?
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What has improved the speed of communication in optical fiber communication?
What has improved the speed of communication in optical fiber communication?
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