Electromagnetic Waves - UCF Physics
Electromagnetic Waves - UCF Physics
Electromagnetic Waves - UCF Physics
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Propagation of <strong>Electromagnetic</strong> <strong>Waves</strong> in Matter<br />
<strong>Electromagnetic</strong> waves are absorbed<br />
as they propagate through matter.<br />
The absorption of radiation is described by:<br />
I(t) = I 0 exp [-αt]<br />
Where:<br />
I (t) ≡ Intensity at depth t<br />
I 0 ≡ Initial intensity<br />
t ≡ depth<br />
α≡absorption coefficient
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