| front |
back |
revisions |
lasted changed by |
history |
| What does the amplitude of light determine? |
brightness |
0 |
noblejas Mon, 17 Mar 2008 04:46:25 GMT |
 |
| What does the fequency of light determine? |
color |
0 |
noblejas Mon, 17 Mar 2008 04:46:25 GMT |
|
| What are examples of objects that produce polarized light? |
anything LCD |
0 |
noblejas Fri, 14 Mar 2008 15:56:33 GMT |
|
| What happens when you rotate a polarizing filter while looking at polarized light? |
light and then dark and then light... |
0 |
noblejas Fri, 14 Mar 2008 15:56:33 GMT |
|
| What happens when you rotate a polarizing filter while looking at unpolarized light? |
same brightness (which is half of the light without the filter) |
0 |
noblejas Fri, 14 Mar 2008 15:56:33 GMT |
|
| What is polarized light? |
light whose crests and troughs are in only one plane |
0 |
noblejas Fri, 14 Mar 2008 15:56:33 GMT |
|
| What color do you get when yo mix red, blue, and green lights? |
white |
0 |
noblejas Fri, 14 Mar 2008 15:56:33 GMT |
|
| What color do you get when you mix blue and green lights? |
cyan |
0 |
noblejas Fri, 14 Mar 2008 15:56:33 GMT |
|
| What color do you get when you mix red and green lights? |
yellow |
0 |
noblejas Fri, 14 Mar 2008 15:56:33 GMT |
|
| What color do you get when you mix red and blue lights? |
magenta |
0 |
noblejas Fri, 14 Mar 2008 15:56:33 GMT |
|
| What are the primary colors of pigments? |
cyan, magenta, yellow |
0 |
noblejas Fri, 14 Mar 2008 15:56:33 GMT |
|
| What are the primary colors for light? |
red, green, blue |
0 |
noblejas Fri, 14 Mar 2008 15:56:33 GMT |
|
| What are the properties of the image in a convex lens? |
same as a concave mirror
close: upright, larger, behind mirror
far: upside down, smaller, in front |
0 |
noblejas Fri, 14 Mar 2008 15:56:33 GMT |
|
| What are the properites of the image in a conave lens? |
same as a convex miror
upright, smaller, behind |
0 |
noblejas Fri, 14 Mar 2008 15:56:33 GMT |
|
| What are the properties of the image in a convex mirror? |
upright, smaller, behind |
0 |
noblejas Fri, 14 Mar 2008 15:56:33 GMT |
|
| What are the properties of the images in a concave mirror? |
close: upright, larger, behind mirror
far: upside down, smaller, in front |
0 |
noblejas Fri, 14 Mar 2008 15:56:33 GMT |
|
| What the properties of the image in plane mirrors? |
upright, same, size, behind the mirror |
0 |
noblejas Fri, 14 Mar 2008 15:56:33 GMT |
|
| How do you measure the incident and reflected angles of light rays? |
You measure them with respect to the normal (the line that is perpendicular to the surface) |
0 |
noblejas Fri, 14 Mar 2008 15:56:33 GMT |
|
| If light reflects off a surface, what is the relationship between the light right rays before and after they hit? |
they are equal |
0 |
noblejas Fri, 14 Mar 2008 15:56:33 GMT |
|
| What type of materials exhibit diffuse reflection? |
materials with rough surfaces. Any material where you cannot see your image. |
0 |
noblejas Fri, 14 Mar 2008 15:56:33 GMT |
|
| What is diffuse reflection? |
reflection where light bounces in multiple directions. |
0 |
noblejas Fri, 14 Mar 2008 15:56:33 GMT |
|
| What type of materials exhibit specular reflection? |
materials with really smooth surfaces. Typically, anything you can see your reflection in. |
0 |
noblejas Fri, 14 Mar 2008 15:56:33 GMT |
|
| What is specular reflection? |
reflection where light bounces in one direction. |
0 |
noblejas Fri, 14 Mar 2008 15:56:33 GMT |
|
| What equation do you usually use to answer how far or how long light travels? |
v = ∆x/∆t |
1 |
noblejas Fri, 14 Mar 2008 15:59:45 GMT |
|
| What equation expresses the relationship between the frequency and wavelength of a wave? |
v = λf |
1 |
noblejas Fri, 14 Mar 2008 16:00:05 GMT |
|
| What determines how much energy (i.e. how dangerous) a light wave has? |
its frequency (energy increases as you go across the em spectrum) |
1 |
noblejas Mon, 17 Mar 2008 04:47:22 GMT |
|
| What are the parts of the Electromagnetic spectrum in the order of lowest to highest frequency? |
radio-mircowaves-infrared-visible light-ultraviolet-x rays-gamma rays |
0 |
noblejas Fri, 14 Mar 2008 15:56:33 GMT |
|
| What medium does light travel fastest? Slowest? |
fastest in a vacuum
slowest in a solid |
0 |
noblejas Fri, 14 Mar 2008 15:56:33 GMT |
|
| What is the speed of light? |
3 x 10^8 m/s |
0 |
noblejas Fri, 14 Mar 2008 15:56:33 GMT |
|
| What type of wave is light? |
Transverse |
0 |
noblejas Fri, 14 Mar 2008 15:56:33 GMT |
|
