Grade 8 Science Unit 2: Optics Chapter 5: The law of reflection allows mirrors to form images.
PW2 - Reflection. The angle of incidence is equal to the angle of reflection. The incident ray, reflected ray, and normal all line in the same plane.
Lenses
12.1 – Characteristics of Lenses
UNIT 4 Chapter 10: Light and Reflection Chapter 11: Refraction Chapter 12:Lenses and Lens Technology Light and Geometric Optics.