File:Frontgroupphase.gif

Frontgroupphase.gif ‎(440 × 272 pixels, file size: 211 KB, MIME type: image/gif, looped, 101 frames, 4.0 s)

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Summary

Description	English: Animation show front, group and phase velocities
Date	September 2010
Source	Own work
Author	TimothyRias

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