| A | B |
|---|
| plane mirror | a flat mirror |
| reflect | to throw or bend back light from a surface |
| transmit | to cause or allow light (or heat) to pass through |
| image | view of an object formed by reflected or refracted rays |
| virtual image | an object we see that is not really there |
| inverted | upside down |
| laterally inverted | the image of an object that appears switched left to right |
| incident ray | a ray of light that strikes a surface, e.g. the ray that goes into the mirror |
| reflected ray | the ray of light that is reflected from a surface, e.g. the ray that is reflected from the mirror |
| *perioscope | optical device which reflects light so that we can see around corners or over objects |
| *kaleidoscope | tube-shaped toy lined with angled mirrors and containing loose pieces of colored paper that form patterns when viewed through a hole in the end |
| *converge | to move towards or meet at the same point |
| *diverge | to separate and go in different directions |
| law of reflection | "The angle of incidence is equal to the angle of reflection" |
