A line and arrow representing the direction and straight line path of light
Light Ray
Contains many rays of light moving in the same direction
Beam of light
A flat, reflective surface
Plane mirror
2 parts of plane mirror
Sheet of glass
Reflective silver or aluminum
The bouncing back of light from a surface
Reflection
Shows the path of a light ray when it hits the object
Ray diagram
the ray that strikes the mirror
incident ray
The ray that bounces off the mirror
Reflected ray
A dotted line that is perpendicular (90degree) to the mirror
The normal
The angle between the incident ray and the normal
Angle of incidence
The angle between the reflected ray and the normal
Angle of reflection