| A | B |
|---|
| photon | when an electron leaps, and loses energy, it leaves a tiny particle |
| frequechy | number of waves that pass through a given point in 1 second |
| amplitude | measure the stregnth of light |
| refracted | when light is bent |
| poloarized | travel is limited to a single plane |
| visible spectrum | red orange green blue indigo and violet |
| additive primary colors | red green and blue |
| subtractive primary colors | when red green and blue overlap it creates a new color |
| lens | piece of transparent material that is used to focus light |
| focal point | point where rays meet |
| negative | the light areas of the secen look dark and the dark areas look light |
| laser | light amplification by stimulated emision of radiation |
| holography | use of lasers to record realistic images of 3D objects |
| optical fibers | transparent fibers of glass |
