light path
then trajectory that light take it as it travels
rays
ray is a beam of light
light
light comes from things like sun light bulbs and candles it bounces off of things and allows us to see it
light source
the place witch light originates
medium
a substance that moves energy light or sound waves from one place to another
refraction
the bending of light or other waves when they pass from one transplant substance to another
reflection/reftlect
reflection/reflect the return from a surface the production of an image in the mirror
absorption/absorb
the process of taking in something such as light energy