File:Optica raioluz.png

This image was copied from wikipedia:pt. The original description was:

Óptica - raio de luz. Na imagem aparecem dois raios de luz, um incidente (i) e outro refletido por um espelho plano (r).

Essa imagem foi gerada através de um código SVG, disponível a seguir:

<?xml version="1.0" standalone="no"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" 
  "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
<svg width="400" height="250" version="1.1"
     xmlns="http://www.w3.org/2000/svg">
<desc>Óptica: representação de um raio de luz.</desc>

<line x1="20" x2="380" y1="210" y2="210"
  stroke="black" stroke-width="4" />

<!-- primeiro raio -->
<line x1="40" x2="200" y1="50" y2="209"
  stroke="black" stroke-width="2" />
<polygon points="105,125 115,115 130,140" fill="black" />
<text x="124" y="105" style="font-size: 14pt">
i
</text>

<!-- segundo raio -->
<line x1="200" x2="360" y1="209" y2="50"
  stroke="black" stroke-width="2" />
<polygon points="275,125 285,135 300,110 275,125" fill="black" />
<text x="266" y="105" style="font-size: 14pt">
r
</text>

</text>

</svg>

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This physics image could be re-created using vector graphics as an SVG file. This has several advantages; see Commons:Media for cleanup for more information. If an SVG form of this image is available, please upload it and afterwards replace this template with {{vector version available|new image name}}. It is recommended to name the SVG file “Optica raioluz.svg”—then the template Vector version available (or Vva) does not need the new image name parameter.