Normal (Physics)

Summary: There is an imaginary line at an angle of 90° to the mirror. This is called the normal. You measure angles from the normal to the rays of light. You can see how to do this in Figure 3. Tags: science student-book-7 physics Created: 2026-05-21 Last Updated: 2026-05-21

Normal (Physics)

There is an imaginary line at an angle of 90° to the mirror. This is called the normal. You measure angles from the normal to the rays of light. You can see how to do this in Figure 3.

Source

This concept is from the [Science Student Book 7](Science Student Book 7/Physics/Light/3.2 Reflection.md), Physics section.