Astronomy picture of the day [Solar Dynamics Observatory (SDO) Atmospheric Imaging 
Assembly (AIA) image at 30.4 nm]

Phys 4C Light and Modern Physics - 2015 Fall

Instructor: Professor Ringwald
E-mail: ringwald[at] and replace [at] with @
Phone: (559) 278-8426
Also: (559) 278-2371

Office hours (between August 25 and December 11): MWF 2-3, TuTh 3:30-4:30
If students need to see Professor Ringwald outside office hours, please call or e-mail first.

Office: McLane Hall, Room 11, in the new Building J (or "J-wing").
This is across the outdoor "hall" from McLane 149 and 151.

You don't need an appointment to come in during office hours. This is time set aside for you, when I will be in.

Please feel free to contact me, if you have any problems whatsoever in this course: or if you're doing well, and just want to talk. It's in my interest, and I care, that you do well!

Click here for the
Course Syllabus
Click here for the
Course Schedule
Click here for the
Homework Assignments
Click here for the
Formula List
provided on all exams,
and useful for homework
(This is a pdf file,
which you can read with
Adobe Acrobat Reader, a free program available here.)
Click here for the
Solutions to the Homework
and Exams

(last updated 11/20;
to be updated 12/04).

News, updated 2015 November 19:

Go to Professor Ringwald's home page

Web page by Professor Ringwald (ringwald[at] and replace [at] with @)
Department of Physics, California State University, Fresno. Please read this disclaimer.