Electromagnetic radiation that’s visible
light
Bouncing of a wave off of a surface
reflection
Almost all light can pass through this material and looks very clear
transparent
Almost all light can pass through this material and looks very blurry
translucent
Light can’t pass through this material
opaque
Light passing through an object
transmission
Transfer of energy from wave to the medium
absorption
Angle of reflection = angle of incidence
law or reflection
reflection of light from a smooth surface
regular reflection
reflection of light from a rough surface
diffuse reflection
A curved mirror that goes inward
concave mirror
Light rays are parallel to the optical axis
focal point
Distance on the optical axis from mirror to the focal point
focal length
A curved mirror that goes outward
convex mirror
A cell in the eye that responds to colors
cone