File:Steradian cone and cap.svg
From Infogalactic: the planetary knowledge core
Size of this PNG preview of this SVG file: 400 × 350 pixels. Other resolution: 274 × 240 pixels.
Original file (SVG file, nominally 400 × 350 pixels, file size: 28 KB)
Summary
Diagram showing a section through the centre of a cone (1) subtending a solid angle of 1 <a href="https://en.wikipedia.org/wiki/steradian" class="extiw" title="w:steradian">steradian</a> 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.
Licensing
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 13:23, 5 January 2017 | | 400 × 350 (28 KB) | 127.0.0.1 (talk) | <p>Diagram showing a section through the centre of a cone (1) subtending a solid angle of 1 <a href="https://en.wikipedia.org/wiki/steradian" class="extiw" title="w:steradian">steradian</a> in a sphere of radius <i>r</i>, along with the spherical "cap" (2). The fact that the external surface of the cap has an area of <i>r<sup>2</sup></i> is shown. Note that this applies <i>only</i> if the solid angle of the cone is exactly 1 steradian. </p> |
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