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The phenomenon employed in the waveguide operation is(a) Reflection(b) Refraction(c) Total internal reflection(d) AdsorptionI got this question during a job interview.Question is taken from Types of Waveguides topic in portion Waveguides of Electromagnetic Theory

Answer»

The correct choice is (c) Total internal reflection

Easiest explanation: The WAVEGUIDES use total internal reflection phenomenon to TRANSMIT the WAVES passing through it. THUS the acceptance angle and critical angle are important for effective TRANSMISSION.



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