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5.What is TIR? Explain optical fiber and its use in communication.

Answer»

Total internal reflection is the phenomenon which occurs when a propagated wave strikes a medium boundary at an angle larger than a particular critical angle with respect to the normal to the surface.

Fiber-optic communication is a method of transmitting information from one place to another by sending pulses of light through an optical fiber. ... Optical fiber is used by many telecommunications companies to transmit telephone signals, Internet communication, and cable television signals.



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