Day 39: Ray Tracing

Tuesday, 7 October 2014

image

Above, a photo of a student’s notes. I was super-impressed at the number of kids who immediately realized it was easier to make sense of this diagram if they used color. Below is my photo of the same diagram.

image

Finally, I wanted to tie the mirror equation (1/f = 1/do + 1/di) to the ray tracing. So, we measured distances on the diagram and checked them with the equations. Below are the results. Not bad!

image

 

This day last year: Day 39: Introducing Spherical Mirrors

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s