File:Electromagnetic wave2.svg
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Original file (SVG file, nominally 495 × 168 pixels, file size: 38 KB)
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Summary
| Description |
English: Electromagnetic wave. Electric component (red) in plane of drawing; magnetic component (blue) in orthogonal plane. Wave propagates to the right. The wavelength is λ.
Français : Onde électromagnétique. Le champ électrique (rouge) est dans le plan du dessin, le champ magnétique (bleu) est dans le plan orthogonal. L'onde se propage vers la droite. La longueur d'onde est λ.
% !Mode:: "TeX:UTF-8"
\documentclass[tikz]{standalone}
\usepackage{fontspec}
\usepackage{unicode-math}
\usetikzlibrary{positioning}
\usetikzlibrary{calc}
\usetikzlibrary{arrows.meta}
\setmainfont{Libertinus Serif}
\setmathfont{Libertinus Math}
\begin{document}
\begin{tikzpicture} [
axis/.style={-Latex,draw=black},
laxis/.style={font=\bfseries},
]
\path [axis] (0,0) -- (12.3,0) node [at end,below,laxis] {z};
\foreach \a/\b/\col/\lab in {0/1/red/E,-0.5/-0.5/blue/B} {
\begin{scope} [cm={1,0,\a,\b,(0,0)}]
\path [axis] (0,0) -- (0,2) node [at end,left,laxis] {\lab};
\path [draw=\col] (0,0) sin (1.2,2) cos (2.4,0) sin (3.6,-2) cos (4.8,0) sin (6,2) cos (7.2,0) sin (8.4,-2) cos (9.6,0) sin (10.8,2) cos (12,0);
\foreach \x in {0.3,0.6,...,2.2,2.7,3,...,4.6,5.1,5.4,...,7,7.5,7.8,...,9.4,9.9,10.2,...,12} \draw [color=\col,-Latex] (\x,0) -- (\x,{2*sin(\x*180/2.4)});
\end{scope}
}
\draw [help lines] (4.8,0) --+ (0,2.5) (9.6,0) --+ (0,2.5);
\node (l) at (7.2,2.5) {$\lambda$};
\draw [-Latex] (l) -- (4.8,2.5);
\draw [-Latex] (l) -- (9.6,2.5);
\end{tikzpicture}
\end{document}
|
| Date | |
| Source | Own work |
| Author | Francois~frwiki |
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
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- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 21:30, 15 August 2021 | | 495 × 168 (38 KB) | wikimediacommons>Francois~frwiki | Uploaded own work with UploadWizard |
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