Secondary 1/2 Level
Reflection
Law of reflection states that
- the angle of incidence = the angle of reflection
- the incident ray, the normal line and the reflection ray lie in the same plane.
Taken from: https://physicsigcse.files.wordpress.com/2016/05/law20of20reflection.gif?w=474&h=228
Refraction
Refraction takes place when light travels from one medium into another optical medium of different refractive index.
Taken from: http://byjus.com/physics/wp-content/uploads/2016/06/8-2.png
RGB Colour Addition
Each link provides a different context in which you can explore to see how we perceive colours. Remember, what we see is what reflect into our eyes. What does not is a total darkness!