Chap 13 Flashcards
(32 cards)
Translucent
Some light passes through
Opaque is when light can’t pass through the object
TRU
Transparent
Almost all light passes through
The angel of which light strikes god surface equals the angel which it is reflected q
Law of reflection
Refraction
The bending of light when it goes from one medium to another
White light
Is made up of all the wavelengths of visible light
Mirage
Is formed when air at ground level is warmer or cooler than the air above it
Absence of color
Black
This is not a color of visible light
Black
Why do we see the color black
We see the color black because of all the wavelengths being absorbed and nothing being reflected
Color blindness
When cones do not function
Seen mostly in men
Most common red/green
This is used to change the color of a substance
Pigment
Red blue and green are what pigments
3 pigments of light colors
3 primary pigment colors
Magenta,cyan,and yellow
When light enters the eye light is directed where
Light is directed towards the retina
The retina contains what 2 things
Rod and cones
What do the cones in the eye do
Cones distinguish colors
The rods in the eye do what
Rods in the eye are used in dim light
Incandescent light
Used in houses
The filament in this light is made of tungsten
Incandescent light
90% of this energy produced is thermal energy
Incandescent light
Fluorescent light
Used in offices
This lights inside is coded with phosphors that produce light when they absorb UV RADIATION
Fluorescent light
Neon lights use what type of gases
Neon & other gases
