Learning Goals
A. Describe what happens to light when it shines on a medium.
B. Explain light direction changes at the interface between two media and what determines the angle.
C. Describe the effect of varying wavelength on the angle of refraction.
D. Explain why a prism creates a rainbow.
E. Apply Snell’s law to a laser beam incident on the interface between media.
What ideas do you have about why things look different under water?