Question:
An evanescent mode occurs when
An evanescent mode occurs when
Updated On: Mar 21, 2024
- a wave is attenuated rather than propagated
- m=n=0 so that all field components vanish
- the propagation constant is purely imaginary
- the wave frequency is same as the cut-off frequency
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The Correct Option is A
Solution and Explanation
The Correct answer is option (A) : a wave is attenuated rather than propagated
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