Reflection and refraction

I went in early to do a double set up of both lecture and laboratory.


I rearranged A101 moving a table from the office to handle my keyboard and mouse.


In keeping with reduction in videos I went with a demonstration-only mode in the lecture session.


Filling the graduated cylinder.


Speakers seem to work well from back here.


The ChromeOS computer was pulled from the room as part of the rearrangement.


Refraction demonstration set up.


Another refraction demonstration: the coin under the beaker of water. 


Laser pointer. 


I had to add the black plastic lid to cut down on surface reflection off of the water.


The coins can be seen on the right but not the left. Well, except for the translucent plastic.


I added the sandpaper to resolve the translucency issue.


The final setup.

As seen from the far end of the tables. Only the coins on the right can be seen.

This term I forgot that a towel under the coin helps. Fortunately I had a towel in the office.


The left board after the morning session, which wrapped up by 10:40 AM.


The right board after the morning session.

Anayva and Fancylynn work on reflection

Ivan and Cordny

Marmayon and A-Ann

Joanalynn and L-Jane

Estimating the image location

Benalyne and Piruno work on refraction

Benalyne records data

Anayva and Fancylynn



L-Jane, Joanalynn, Fancylynn working on apparent depth



Board diagram was a little different. On the left board I diagrammed the laboratory report structure, then the right board was the experimental measurements diagrams. 



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