Flashcards in Light Deck (25):
The natural agent that stimulates sight and makes things visible.
A ray or shaft of light.
Each of the lines in which light (and heat) may seem to stream from the sun or any luminous body, or pass through a small opening.
The strength and vitality required for sustained physical or mental activity.
Giving off light; bright or shining.
Not capable of producing light, but can be capable of reflecting light from another source.
Speed of light
The distance light can travel in a unit of time through a given substance.
A dark area or shape produced by a body coming between rays of light and a surface.
One of the waves that are propagated by simultaneous periodic variations of electric and magnetic field intensity and that include radio waves, infrared, visible light, ultraviolet, X-rays, and gamma rays.
The rate at which something occurs over a particular period of time or in a given sample.
The distance between successive crests of a wave, especially points in a sound wave or electromagnetic wave.
The property possessed by an object of producing different sensations on the eye as a result of the way it reflects or emits light.
The speed of something in a given direction.
The distribution of colors produced when light is dispersed by a prism.
The throwing back by a body or surface of light, heat, or sound without absorbing it.
The process by which one thing absorbs or is absorbed by another.
Shut our light.
Catch and trap dust.
Small glands inside your eyes to tears keeping your eyeballs clean and moist.
The little dark circle is the center of each eye. Allow light into the eye
Controls how much light needs to be in.
Focus as light comes through.
Send signals to the brain.
Carries the image to the brain.