File:Bubble interference (phase).PNG

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Bubble_interference_(phase).PNG (290 × 366 pixels, file size: 21 KB, MIME type: image/png)

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Description
English: Diagram showing the phase shift at the air water boundary of a bubble.
The wave is partically reflected at X and O. At X the wave suffers a 180° phase shift as it reflects off the air/water boundary. At O no such phase shift occurs at the water/air boundary. Nevertheless, since the part of the wave that is reflected at O has had to travel the depth of the film and back again, the difference in path length cancels out the phase shift, and the two parts of the wave emerge in phase.
Date
Source Transferred from en.wikipedia to Commons.
Author Theresa Knott (talk) (Uploads)

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attribution share alike 		This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. Subject to disclaimers.
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This licensing tag was added to this file as part of the GFDL licensing update.
GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. Subject to disclaimers.

Original upload log

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The original description page was here. All following user names refer to en.wikipedia.
Date/Time Dimensions User Comment
2004-10-05 21:52 290×366× (21819 bytes) Theresa knott Diagram showing the phase shift at the air water boundry of a bubble. Drawn by [[User:Theresa knott|]] {{GFDL}}

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Date/TimeThumbnailDimensionsUserComment
current18:14, 14 October 2016Thumbnail for version as of 18:14, 14 October 2016290 × 366 (21 KB)Kingofthedead (talk | contribs)Transferred from en.wikipedia

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