All Textbook Topics - Light - Properties of real light rays
Properties of real light rays
Real light rays represent the way light travels, in straight lines. There are some particular rules and conditions that you must use when representing light rays in diagrams.
| Textbook Learning Objectives | |
|---|---|
| Click on each learning objective to access its associated textbook page. | |
| 1 | Light rays travels in straight lines |
| 2 | Light should be represented as a thin, straight ray in a diagram to show how it travels |
| 3 | Real light rays must have arrows on them |
| 4 | Arrows on real light rays must point from the source |
| 5 | When light rays are blocked by an opaque object, a shadow is formed |