1. Parallel Rays  Two rays of light from the same object hit your right and left eyes. If these rays are almost parallel to each other, then the object must be a)very close to you b)very far away from you

2. Geometry  In the image below, I have drawn a surface between two materials, a normal line, an incident ray, a reflected ray, and a refracted ray. The incident ray is ___. A B C D E

3. Concave Mirror Image  When you see your upside-down image in a concave mirror, the image is between you and the mirror. What kind of image is it? (Hint: Is that where the light really goes after reflecting from the mirror?) a)real and upright b)real and inverted c)virtual and upright d)virtual and inverted