C. Refraction – the
__________________________________ that occurs
when a light wave _________________________________
1.
Speed
and Refraction
When Ð
of incidence = ____________, there is no
____________
Light must come in at an
____________ to be _______________
_____________ IS ALWAYS ACCOMPANIED BY _____________________
D.
Index of Refraction (n) – a comparison of the _________________
in a substance to its _____________________________
If a substance has an
_________________________________ it means
light is _________________________ in a vacuum than
it is in that medium
n =
n =