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Friday 15 May 2015

Physical Science 20 - May 13 & 14

Yesterday in class we went through how to draw ray diagrams for curved mirrors.  This method involved drawing three separate light rays and allowed us to discover the image characteristics.  We went over how to draw ray diagrams for both converging and diverging mirrors.  I then assigned Assignment 2.3 which I gave students more time to work on today.

Today we started looking at the property of refraction.  We learned about the terms of optical density and index of refraction.  I assigned Part A of the Refraction Practice Problems.  We will go over it tomorrow.  This was all covered on slides 39 - 51.  Tomorrow we are going to learn about the laws that govern refraction.

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