Normal (física)

The video tutorial explains the role of surfaces in the study of light, focusing on how they serve as references to determine the angles at which light rays are refracted or reflected when they encounter different materials.

What is the purpose of a surface in the study of light?

How does a surface serve as a reference in determining the angle of light?

What happens to a ray of light when it hits a material?

Explain the concepts of refraction and reflection in relation to light.

What factors influence the angle at which light is refracted or reflected?