1. Bell Work: Snell’s Ray Diagram
What does θi stand for?
Medium ( 1 / 2 ) is more dense.
Light travels faster through Medium ( 1 / 2 ).
The index of refraction of
Medium (1 / 2 ) is smaller.
The dotted line is called
the ______ because it is at a
____ degree angle to the
surface. qi qr A C B N’ N
Medium 1
Medium 2 n1 n2
Speed V1
Speed V2

2. Quiz Tomorrow
Covers:
Electromagnetic waves: energy, frequency, wavelength
Light colors vs. pigments
Primary vs. Secondary
Drawing reflections
Reflection vs. refraction; mirrors vs. lenses
Snell’s law concepts

3. Please have all last names in your file name!
Today:
Power Point ed or copied and pasted into drop box.
Please have all last names in your file name!
Work on Snell’s law practice problems.
Work on Snell’s Law Lab