7.22 Ignoring reflection at the air–water boundary, if theamplitude of a 1 GHz incident wave in air is 20 V/m at thewater surface, at what depth will it be down to 1 µV/m? Waterhas µr = 1, and at 1 GHz, #r = 80 and σ = 1 S/m.

image 257 - 7.22 Ignoring reflection at the air–water boundary, if theamplitude of a 1 GHz incident wave in air is 20 V/m at thewater surface, at what depth will it be down to 1 µV/m? Waterhas µr = 1, and at 1 GHz, #r = 80 and σ = 1 S/m.

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