Term
|
Definition
| disturbance in the particle's electric field |
|
|
Term
|
Definition
| accompanies every changin electric field, govern influence of magnetized objects, exert forces on moving electric charges |
|
|
Term
|
Definition
| electric AND magnetic fields |
|
|
Term
| at what speed do electromagnetic waves move? |
|
Definition
|
|
Term
| what determines color of beam of light? |
|
Definition
| frequency (or equivalently, its wavelength) |
|
|
Term
| all the spectral regions, including the visible |
|
Definition
|
|
Term
|
Definition
| extent to which radiation is blocked by the material through which it is passing |
|
|
Term
| when is electromagnetic radiation emitted |
|
Definition
| when charges change their state of motion |
|
|
Term
|
Definition
| direct measure of amt of microscopic motion w/i object |
|
|
Term
|
Definition
| amt or strength of radiation at any point in space |
|
|
Term
|
Definition
| an object that absorbs all radiation falling upon it |
|
|
Term
|
Definition
| must reemit the same amt of energy as it absorbs |
|
|
Term
|
Definition
| wavelength is proportional to 1/temp |
|
|
Term
|
Definition
| total energy radiated per second is proportaional to 4th power of temp |
|
|
Term
| spectral lines are indicators of |
|
Definition
|
|
