Concept explainers
To explain: Transmission of phone conversation through optical fibers.
Answer to Problem 23R
To send phone conversations through optical fiber, sound waves are converted or changed into electronic signals consisting of pulses of light from a LED or form a Laser.
Explanation of Solution
Introduction:
An optical fiber is fundamentally wave guide for a light that consists of a cladding and core. The main function of optical fiber is to guide visible as well as infrared lights over long distance.
In the transmission of phone conversation through optical fibers, firstly sound waves are converted into digital signal or an electric signal and this converted electrical signal is further converts into pulses of light. These pulses can speedily travels through optical fiber. After reaching the destination point, pulses of light convert back into electrical signals and then back into sound waves..
Conclusion:
In communication field, optical fibers are used widely.
Chapter 12 Solutions
Glencoe Physical Science 2012 Student Edition (Glencoe Science) (McGraw-Hill Education)
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