Chapter 2 - Reflection Flashcards
1
Q
What is specular reflection?
A
When light reflects from a smooth surface to give a clear image, such as in a mirror.
2
Q
What is diffuse scattering?
A
When light reflects off a rough surface and travels in different directions.
3
Q
What is a normal line?
A
An imaginary line drawn at a right angle to a surface where the light hits it.
4
Q
What do we call the ray that shine on to an object?
A
The incident ray.
5
Q
What is a reflected ray?
A
A ray of light that has reflected off a surface.
6
Q
What is the angle of incidence?
A
The angle between the normal and incident ray.
7
Q
What is the angle between the normal and the reflected ray called?
A
The angle of reflection.
8
Q
What is the law of reflection?
A
The angle of reflection is equal to the angle of incidence.
9
Q
What is a plane mirror?
A
A flat mirror.
