| A | B |
|---|
| electromagnetic wave | xx |
| radiation | xx |
| electric field | xx |
| magnetic field | XX |
| electromagnetic spectrum | section 2 |
| AM | amplitude modification |
| FM | frequency modudlation |
| microwaves | shorter wavelengths, higher frequency than radio waves; used in microwave ovens |
| magnetron | produces microwaves by accelerating charged particles |
| infrared waves | xxx |
| visible light | xxx |
| visible spectrum | xxx |
| ultraviolet light | xxx |
| x-rays | XXXx |
| gamma rays | xxxx |
| reflection | section 3 |
| absorbtion | xxx |
| scattering | xxx |
| refraction | xxx |
| diffraction | xxxx |
| interference | xxx |
| angle of incidence | angle between the incident point and the normal |
| incident beam | beam of light that travels from a device to a mirror |
| normal | a line perpendicular to the mirror's surface |
| reflected beam | the beam reflected off the mirror |
| luminous | objects that produce light |
| illuminated | a visible onbject that is not a light source |
| constructive interference | xx |
| destructive interference | xx |
| transmission | section 4 |
| transparent | xxx |
| translucent | xxx |
| opaque | xxx |
| primary colors | xxx |
| secondary colors | xxx |
| color addition | combining colors of light |
| pigment | xxx |
| color subtraction | combining or mixing pigments |
| primary pigments | yellow, cyan, and magenta |
