Monday, September 10, 2012

Optics Introduction

Today we reviewed how to use a protractor and learned what "normal" really means. These will be very helpful in our new unit: geometric optics.

Most people finished their homework in class, but it is also below - Angles and Normals .

Also PLEASE buy yourself a protractor! I only have 10 for the whole class!
***Update*** Now we have nine. Someone stole another.

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