1.

A wave is propagated in a waveguide at frequency of 9 GHz and separation is 2 cm between walls calculate the phase velocity for dominant mode.

A. 3 x 108 m/sec
B. 5 x 108 m/sec
C. 1.5 x 108 m/sec
D. 9 x 108 m/sec
Answer» C. 1.5 x 108 m/sec


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