This page features an animated image and a discussion of optics. The animation shows why a pencil looks broken when put in a glass of water.
This tutorial is part of The Physics Classroom. This web site also includes interactive tools to help students with concepts and problem solving, worksheets for student assignments, and recommendations for simple introductory laboratories.
%0 Electronic Source %A Henderson, Tom %D 1996 %T The Physics Classroom: The Broken Pencil %V 2015 %N 8 October 2015 %9 image/gif %U http://www.physicsclassroom.com/mmedia/optics/bp.cfm
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