1.

The cut off frequency of a waveguide with resonant cavity is given by

A. V‚àö((m/a)<sup>2</sup> + (n/b)<sup>2</sup> + (p/d)<sup>2</sup>)/2
B. V‚àö((m/a)<sup>2</sup> + (n/b)<sup>2</sup> + (p/d)<sup>2</sup>)
C. 2V‚àö((m/a)<sup>2</sup> + (n/b)<sup>2</sup> + (p/d)<sup>2</sup>)
D. V‚àö((m/a) + (n/b) + (p/d))/2
Answer» B. V‚Äö√Ñ√∂‚àö‚Ć‚àö‚àÇ((m/a)<sup>2</sup> + (n/b)<sup>2</sup> + (p/d)<sup>2</sup>)


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