4.3 - 4.4 Flashcards
1
Q
______ form of energy known as electromagnetic radiation
A
light
2
Q
__________ energy radiated in the form of wave cause by an electric field interacting with a magnetic field
A
electromagnetic radiation
3
Q
______ measured as the distance from one peak of one wave to the next wave
A
wavelength
4
Q
_____ number of wave cycles per second
A
frequency
5
Q
________ is the amount of light incident on a surface
A
illuminance
6
Q
______ how bright an object appears
A
luminance
7
Q
_________ is the ratio of reflected light versus the light striking the surface.
A
reflectance
8
Q
A
