material that absorbs or reflects all light and does not let any light pass through it.
a material that transmits some light but not enough to see clearly through it.
a material that transmits almost all light so objects can be seen clearly through it.
Primary colors of light
red, green and blue. When mixed together they make white light. Additive colors.
Primary colors of pigment
red, yellow blue. When mixed together make "black". Subtractive colors.
a device which uses lenses with short focal lengths to magnify objects.
a device which uses convex and concave lenses and mirrors to make far away objects appear closer.
a device which uses lenses to focus an image on film or a ccd.
Speed of light
the rate at which light travels. 330 m/s in a vacuum.
the inner lining at the back of your eye which has cells to covert light into electrical (nerve) impulses.
the transparent covering at the front of your eye. It causes light to bend so it converges on the pupil.