(These should be review from PHYS 20800.)

1. Read Chapter 1 here: OpenStax, U. Physics III, Ch 1.
2. Learn how to draw a ray diagram for a thin lens, and use the lens diagram to confirm the thin lens equation.
   • Rules for Ray Tracing: OpenStax, U. Physics III, Ch 2. See this page for an example.
3. OpenStax U.Phys.III Ch. 1, problem 36

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