# Microwave Waveguides – 4

4. A waveguide has a cutoff frequency of 17 GHz. Which of the following signals will not be passed by the waveguide ?

(a) 15 GHz
(b) 18 GHz
(c) 22 GHz
(d) 255 GHz

Explanation
Explanation : No answer description available for this question. Let us discuss.
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