The EM wave which does not propagate through a rectangular waveguide w – McqOptions

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1.	The EM wave which does not propagate through a rectangular waveguide with a = 30 mm & b = 15 mm is:
A.	EM wave of frequency 4.5 GHz
B.	EM wave of frequency 5.5 GHz
C.	EM wave of frequency 50 GHz
D.	EM wave of frequency 300 GHz
Answer» B. EM wave of frequency 5.5 GHz

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