A rectangular cavity resonator has dimensions 3 cm, b 6 cm, and c 9 cm If it is filled with polyethylene ( 2 5o), find the resonant frequencies of the first five lowest order modes

Question: A rectangular cavity resonator has dimensions = 3 cm, b = 6 cm, and c = 9 cm. If it is filled with polyethylene (

A rectangular cavity resonator has dimensions α = 3 cm, b = 6 cm, and c = 9 cm. If it is filled with polyethylene (ε = 2.5εo), find the resonant frequencies of the first five lowest-order modes.

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