The primary colours are:

1. Red, blue and yellow
2. Magenta, yellow and cyan
3. Red, Blue and cyan
4. Blue, green and red

What do you mean by the term reflection of light?

Explain the following terms:

1. Incident ray

2. Reflected ray

3. Angle of incidence

4. Angle of reflection

5. Normal

Draw a diagram to show the reflection of a ray of light by a plane mirror. In the diagram, label the incident ray, the reflected ray, the normal, the angle of incidence and the angle of reflection.