🌈 Rainbow Mindmap: Light 🌈
1. Reflection of Light
When light bounces back from a surface instead of passing through it.
2. Terms of Reflection
Incident ray, reflected ray, normal, angle of incidence, angle of reflection.
3. Laws of Reflection
(i) Angle of incidence = Angle of reflection.
(ii) All lie in the same plane.
(ii) All lie in the same plane.
4. Types of Reflection
Regular reflection (smooth surfaces) and Diffused reflection (rough surfaces).
5. Images by Plane Mirror
Virtual, upright, same size, laterally inverted, same distance behind the mirror.
6. Lateral Inversion & Characteristics
Left-right reversal in plane mirrors. Image is upright, virtual, equal size.
7. Uses of Mirrors
Used in dressing mirrors, periscopes, solar devices, optical instruments.
