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Picture of Refracting Light with LASERs
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LASERs make almost anything better, and that includes refracting light in physics lessons.  Here's a guide to refracting LASER light, and some calculations you might need to do afterwards.

Step 1: Just a bit on theory

Picture of Just a bit on theory
As a beam of light enters an optically more dense medium it slows down.  If a beam of light is traveling diagonally, some parts will slow down before others. This causes the light ray to bend towards the normal (the normal is a line drawn perpendicular to the surface where the beam of light hits).  The opposite happens when a light ray leave a more dense medium.
 
cool! this reminds me of a demo I saw at the smithsonian that was showing how different types of telescopes work. kind of like this.
wilgubeast2 years ago
YES! Lasers make math more fun. Cool project. Hope you can find a camera that allows you to take better photos in the dimness required for laser-visibility.
sherd030 (author)  wilgubeast2 years ago
Yeah, I know about the camera, all the pictures were actually taken at school for a guide we're supposed to make (this is it). Unfortunately, i don't have a LASER.