How do we see color?
By reflected light
What is the color black
absorption of all wavelengths
What is the color white
Reflection of all wavelengths
Why is the sky blue
the blue waves are the right size to scatter and bounce off of molecules in the atmosphere
what is the speed of light
3.00x10^8 m/s
how long is one light year
9.46x10^15 m
how long is one astronomical unit
1.50x10^11m
4 characteristics of plane mirror images
same size as object, upright, virtual, laterally inverted
object located at C
inverted, same size, real
object located beyond C
inverted, smaller, real
object located between c and f
inverted, larger, real
object located at F
no image, reflecting light rays are travelling parallel
object located beyond F
upright, larger, virtual
do=
distance from object to mirror
di=
distance from image to mirror
f=
focal length
