Physical Science 20 - Dec 4

Today in class we went over the answers to Part C of the Refraction Practice Problems.  The answers are posted on the blog for students who were absent today.  Check the Answer Key folder in the Physics folder of the Course Notes link along the right of this webpage.  Afterwards, we started to look at an application of refraction called optics.  We learned about some terms that will be important in studying optics.  We then went on to cover lens diagrams and how to discover image characteristics graphically.  This was covered on slides 64-75.  We didn't quite finish off the diagrams today.  We will finish those off on Monday and work on Assignment 3.2.