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Rabu, 13 November 2013

Physics 20 - Nov 13

We had a look at Homework 3.5 today and continued on our study of lenses.  We learned how to draw ray diagrams for lenses.  This was similar to what we learned about curved mirrors.  The 3 lights rays are basically the same.  Go back and look at your notes for curved mirrors to see the similarities between the two types of diagrams.  The key differences between the two is where light is traveling.  Remember that light passes through lenses and bounces off of mirrors.

After the 2 diagrams were taken up, then Assignment 3.2 was given.  It will be due tomorrow and you will be handing it in.

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