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Electromagnetic
Study for Quiz 1
17
Physics
11th Grade
10/17/2012

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Term
EM Waves
Definition
Transverse
(Ex: Light, Radio etc.. )
Don't require medium
Consist of electric and magnetic fields
Term
Electromagnetic and Magnetic Fields
Definition
E and B
Term
Electromagnetic Spectrum
Definition
as you go DOWN they....
increase transfer of energy
Decrease of wavelength
Increase Frequency
Term
What is color?
Definition
Visible light contains all colors
pigments
Term
What do pigments do
Definition
trap certain light and reflect others
Term
Speed of light? (equation)
Definition
C = 3.0 x 10(-8) m/s

C=f(landa)
Term
1 Light year = ____
Definition
9.5 x 10(15) m
Term
Law of Reflection
Definition
angle of incidence = the angle of reflection
Term
Characteristics of a reflection off a Flat/Plane Mirror
Definition
Upright (not inverted)
Same Size as object
Reverse left/right
same distance from mirror as object
Produce virtual image
Term
Focal Point
Definition
all incident rays of light will be reflected from the mirror through the focal point
Term
Images in front of the mirror are
Definition
real
Term
images behind the mirror are
Definition
virtual
Term
aberration
Definition
- shown only in true spherical concave mirrors
- make image appear blurry
Term
how to fix aberration
Definition
parabolic mirrors
blocking light rays from striking of the mirror
Term
where are C and F in a convex mirror?
Definition
behind the mirror
(focal length is negative)
Term
convex mirror always produces....
Definition
virtual, upright, smaller image
Term
advantages of convex mirror
Definition
wide range of view
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