File:Steradian cone and cap.svg

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Description Diagram showing a section through the centre of a cone (1) subtending a solid angle of 1 steradian in a sphere of radius r, along with the spherical "cap" (2). The fact that the external surface of the cap has an area of r2 is shown. Note that this applies only if the solid angle of the cone is exactly 1 steradian.
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Source Own drawing Inkscape-ws.svg This W3C-unspecified vector image was created with Inkscape.
Author Inductiveload
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30 September 2007

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Date/TimeThumbnailDimensionsUserComment
current02:07, 30 September 2007Thumbnail for version as of 02:07, 30 September 2007400 × 350 (28 KB)Inductiveload{{Information |Description=Diagram showing a section through the centre of a cone (1) subtending a solid angle of 1 w:steradian in a sphere of radius ''r'', along with the spherical "cap" (2). The fact that the external surface of the cap has an area
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