the laws of reflection

Question 1

what are the two laws of reflection

Answer 1

1) angle of incidence = law of reflection
2) the incident ray, reflected ray, and normal all lie in the same plane

Question 2

what is a specular/regular reflection

Answer 2

reflection off a smooth surface and all the angles are identical

Question 3

what is a diffuse/irregular reflection

Answer 3

reflection is irregular and the light scatters