4. In the diagram below, you will see three materials. Each has its index of refraction given. (8 points) air=n1
glass=n1.5
water=n1.33

A. On the diagram above, trace the path of a light ray through these materials. (4 points)

i. From air into glass

ii. From glass into water

B. Justify your choice of path in words. (4 points)

i. From air into glass

ii. From glass into water