File talk:Refraction in a ripple tank.png
This image appears erroneous
[edit]
The glass plate should be clearly indicated. Now, it appears that the dotted line is the obstacle, not the normal. --Janke | Talk 06:01, 3 November 2010 (UTC)
The glass plate should be clearly indicated. Now, it appears that the dotted line is the obstacle, not the normal. --Janke | Talk 06:01, 3 November 2010 (UTC)[reply]
