| A | B |
|---|
| transverse wave | particles of the wave's medium that vibrate perpendicular to the direction the wave is traveling (90 degrees) |
| real image | image through which light passes |
| virtual image | an image through which light does not actually pass |
| coherent light | light of the same wavelength that travels in steps |
| angle of reflection | the angle of the image that is bounced back |
| angle of incidence | the angle that the light goes in |
| laser | device that produces intense light on only one wave length and color |
| light year | length of time it takes for light (ex from stars, etc) to reach the earth |
| illuminated | describes visible objects that are not a light source |
| color | determined by the wave lingths of light that reach your eyes |
| light is a form of this energy | radiant |
| light travels as this wave | transverse |
| does light need a medium to travel | NO |
| light can travel as both a | particle and wave |
| another name for particle | photon |
| coherent light | light with one wavelength |
| example of coherent light | laser light |
| incoherent light | made up of many different wavelengths |
| example of incoherent light | white light |
| polarized light | travels in one direction |
| example of polarized light | sunglasses |
| unpolarized light | light that travels in many directions |
| example of unpolarized light | sunlight |
| incadescent | artificial or not naturally produced light |
| example of incadescent light | light bulb |
| bioluminescence | naturally produced light |
| can produced their own bioluminescence light | a firefly |
| opaque | does not transmit ANY light |
| example of opaque | a solid wood door |
| translucent | transmits some light by scattering it |
| examples of translucent objects | frosted glass or wax paper |
| transparent | transmits all light; can see through it |
| example of transparent | glass window |
