electromagnetic scale
what is the electromagnetic scale
a diagram that demonstrates electromagnetic waves according to their length and frequencies
what is light?
a form of energy
what are the two light sources
Incandescent, Luminescent
what is the most dangerous ray
gamma rays
light behaves in two ways. Name one.
wave
particle
light produced by heat, only 5% effective
what is the safest ray
radio frequency
what is the speed of light?
3x108 m/s
name three types of luminescent light
fluorescent, LED, phosphorescent, chemiluminescent, bioluminescent, electric discharge
why are gamma and uv rays dangerous
very fast frequency
what is faster than light
nothing
name one use of chemiluminescent
glow sticks, crime scene