I added a bit at the end of Ch. 11 about parabolic mirrors, and fixed some nagging typos. You can download a revised set of notes on mirrors here. The linked file contains only the chapter on mirrors.
I hope to have something on lenses posted by the end of tomorrow. By the end of Friday's recitation we will cover enough of the material on lenses for you to complete the homework.
We will spend quite some time on the homework in class Thursday.
Today we will explore reflection and refraction of light. The procedure is very open-ended, intended to be discovery-based.
Here is the procedure, read it through before starting.
Fun with optics. Enjoy.
UPDATE: Problem #9 has been changed. As stated, it was more difficult than I thought ...
Some of you will choose to submit your papers electronically - which is fine. I have no problem accepting papers by email, it is actually far more convenient. However, make it easier on me, if you would:
Physical Review Letters' editorial board tells you how to write a good 'letter.'
By 'letter,' of course they mean 'short paper suitable for a general physics audience,' not something of the 'Dear John' variety.
Of particular note: I am not alone in being deeply confused by scientists' love for the passive voice. From the article:
The issue of sentence-level construction is less critical, and it will not surprise me if some writers still take comfort in the passive-voice style described above. Frankly, this comfort is a mystery to me.
