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Update textbook.fr.md

keep-around/b02be55a0cf2ceaed641bb2237dd601439073888
Claude Meny 6 years ago
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b02be55a0c
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      01.curriculum/01.physics-chemistry-biology/04.Niv4/04.electromagnetism/02.electromagnetic-waves-vacuum/02.electromagnetic-waves-vacuum-main/textbook.fr.md

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01.curriculum/01.physics-chemistry-biology/04.Niv4/04.electromagnetism/02.electromagnetic-waves-vacuum/02.electromagnetic-waves-vacuum-main/textbook.fr.md

@ -205,15 +205,20 @@ $`\overrightarrow{u}`$ est le vecteur caractérisant la direction de l'onde.
Onde EM plane progressive :<br>
$`\Longleftrightarrow \;\overrightarrow{B}`$
<!--
$`\begin{tabular}{l c r}
Candidat & Note $N$ & Résultat\\
François & 9,7 & Refusé\\
Gilbert & 18,7 & Admis\\
Jean & 12,3 & Admis\\
\end{tabular}`$
-->
\begin{eqnarray}
\overrightarrow{E}(\overrightarrow{r},t)=\overrightarrow{E}(\overrightarrow{u}\cdot\overrightarrow{r}-ct)\\
\overrightarrow{B}(\overrightarrow{r},t)=\overrightarrow{B}(\overrightarrow{u}\cdot\overrightarrow{r}-ct)\\
\end{eqnarray}
#### Onde plane monochromatique

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