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29 Cards in this Set

  • Front
  • Back
As you increase frequency what happens to wavelength and energy?
The wavelength decreases and energy increases
The wavelength of ROYGBIV goes from what wavelength to what wavelength
R-700nm
V-400nm
When an electromagnetic radiation interacts with matter it carries energy, what is the equation to find the energy?
E= plancks constant *f
Electromagnetic radiation travels as___________ but intercts as ______
Wave
Particle
When finding the angle in the light reflection, what angle should you always use?
The angle which is to the normal of the surface
If angle of incidence is 0, what is angle of refraction
0
What is the index of refraction equation
n= speed of light/speed in medium
Does light travel faster or slower in a greater index of refraction?
Slower
If n2 is greater than n1, will it bend towards or away from normal
Towards normal
What situation can you see total internal reflection
When n1 > n2
What is the equation to find total internal reflections
Sin(theta critical) = n2/n1
The focal length is halfway between what?
The center of curvature and the mirror
What is the distance between mirror and center of curvature called?
Radius of curvature
If given the radius of curvature, what is the equation to determine the focal length?
focal length equals 1/2*r
A positive i tells you what about the image
Its real, in front of mirror, and its inverted
What is the equation for magnification?
m= -i/o
What does a -i tell you
You have a virtual, upright, and behind mirror
If using a convex mirror is the focal length positive or negative?
negative
If magnification is negative, is the image upright or inverted?
Inverted
What is a concave lens and what is focal length (positive or negative)
concave is diverging lens and focal length is -
What is a convex lens and what is focal length (positive or negative)
Convex is converging lens and f is positive
In lenses are images virtual if formed on same side as lens
Yes
If i is positive in lens what can this tell you
It is a real image formed on other side of lense
If i is negative in lens what can this tell you
This is a virtual image found on same side of lens
What is the equation for lens power and what units must focal length be in?
Power=1/f
focal length must be units of meters
What is myopia and what can't myopia patients do?
Myopia patients can't focus on distant images and myopia means nearsightedness
What is hyperopia and what can't hyperopia patients do?
Hyperopia is farsightedness and they can't focus on close objects
What is used to correct myopia
The divergivng(concave lens) are used to fix myopia
What is used to correct hyperopia
The converging lens are used