Reflection and types of reflection, Computer Graphics

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Reflection and Types of Reflection

Reflection and its types:

Reflection: this is the phenomenon of bouncing back of light; such phenomenon obeys laws of Reflection as:

First Law of Reflection: The incident ray, the Reflected ray and the Normal all lie upon the similar plane.

Second Law of Reflection: An angle of Incidence is equivalent to the angle of Reflection.

Figure: Plane of incidence

Note: Interaction of Light and Surface: A surface has four categories of interaction with light as:

Specular reflection - light is reflected in a specific direction
Diffuse reflection - light is reflected uniformly along with no exact direction
Specular reflection - light is reflected in a exact direction
Diffuse transmission - light is transmitted uniformly along with no preferred direction
Specular transmission - light is transmitted in a preferred direction.

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