characteristics of light
How we see colour
Mirrors
refraction
Lenses
100
Name the two types of light
Natural, artificial
100
what does a tomato look like under blue light?
Blue
100
what does salt stand for?
Size attitude location type
100
define the midium
The substance through which light travels
100
does salt applie to lenses
yes
200
3 names of transmission matterial's are?
Opaque, transparent, translucent
200
What does roygbiv stand for?
Red, orange, yellow, green, blue, indigo, violet.
200
what is another name for a convex mirror?
Diverging
200
What happens when light goes from air to glass?
it gets closer to the normal
200
what is a lense used for
to see a particular thing
300
what is bioluminescence?
chemical reaction in a living cell producing light
300
give the definition of a frequency
how often a wave occours and high or low it is
300
If you look in the mirror and you are 2m away how far will you look in the mirror?
2m
300
what is the difference between angle of incirlence and the angle of reflection
opposite sides of the mirror
300
why are lenses important?
because people need them in their glasses
400
What are the differnce between incendecent and luminescent light?
Incandescent gives off heat and luminescent does not.
400
which colour is the longest and shortest wavelength?
red, violet
400
give a definition for a vertex
the point where the principal axis meets the mirror
400
finish this sentece..... if the light hit the mirror at an angle of 20 degrees it would leave at
20 degrees
400
If the image is between F and the lense is it bigger then beyond f
yes it is
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