| A | B |
|---|
| ray | a straight line used to represent a light wave |
| regular reflection | reflection that occurs when parallel rays of light hit a smooth surface and all reflect at the same angle |
| diffuse reflection | reflection that occurs when parallel rays of light hit a rough surface and all reflect at different angles |
| plane mirror | a flat mirror that produces an upright virtual image the same size as the object |
| image | a copy of anobject formed by reflected or refracted rays of light |
| virtual image | an upright image formed where rays of light appear to meet or come from |
| concave mirror | a mirror with a surface that curves inward |
| optical axis | an imaginary line that divides a mirror in half |
| focal point | the point at which light rays parallel to the optical axis meet, or appear to meet, after being reflected (or refracted) by a mirror (or a lens) |
| real image | an upside-down image formed where rays of light meet |
| convex mirror | a mirror with a surface that curves outward |
