Light+&+Electricity

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 * Refracted Light Simulation (you will need a Knet Science Teacher User Name and Password)
 * Refractive index (you will need a Knet Science Teacher User Name and Password)
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 * media type="custom" key="7318645" ||  ||
 * media type="custom" key="7318645" ||  ||

=Some properties of magnet =

=media type="file" key="80399.swf" width="886" height="413"= = ﻿Bar maget = =media type="file" key="bar_magnet.swf" width="596" height="359"= = = = =