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### Fale elektromagnetyczne jako konsekwencja równań Maxwell'a | ||
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Z III Prawa Maxwell'a: | ||
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$$ | ||
c = \frac{E_0}{B_0} | ||
$$ |
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### Wektor Pointing'a | ||
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$$ | ||
\vec{S} = \vec{E} \times \vec{H} | ||
$$ | ||
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(H to natężenie magnetyczne) | ||
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- wektor jest róœnoleŋły do kierunku propagacji | ||
- jednostka to $\frac{W}{m^2}$ (tzw. powierzchniowa gęstość mocy) | ||
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### Zachowanie się fali elektromagnetycznej na granicy dwóch ośrodków | ||
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### współczynnik załamania | ||
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$$ | ||
n = \frac{c}{v} | ||
$$ | ||
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$v < c \Rightarrow n \geq 1$ |
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## Zestaw 11 Zadanie 1 | ||
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Liczenie całek krzywoliniowych: | ||
- parametryzacja krzywej | ||
- zapisanie całki pojedynczej | ||
- ustalenie granic |