Light Rays
Lens
Technology
Eye Anatomy
Potpourri
100
The bending of light rays
Refraction
100
Science and technology of light
Optics
100
glass that separates light into its constituent colors or wavelengths
prism
100
Number 4
Lens
100
The brain is told the brightness of light by the ____ in the eye.
Rods
200
angle at which a refracted ray bends 90 degrees away from the normal
critical angle
200
distance from center of lense to focal point
Focal length
200
used on the battlefield to detect thermal radiation
infrared goggles
200
Number 6
Optic nerve
200
approximately how long would it take light to travel from Earth to the Moon?
a second
300
the process of small particles absorbing and re-emitting light
scattering
300
What measurement determines how much light is collected at the focal point?
Diameter of lens
300
type of lens that corrects for nearsightedness
diverging lens
300
Number 1
Cornea
300
The constant of proportionality between the energy of a photon and its frequency
Planck constant
400
highest energy forms in the electromagnetic spectrum
gamma rays
400
bends parallel light rays TOWARD the optical axis
Convex lens
400
scientific instrument that disperses light
spectrograph
400
Numer 3
Pupil
400
units for resistance
ohms
500
Light is a traveling _________ of the electromagnetic field
oscillation
500
bends parallel light rays AWAY from the optical axis
Concave lens
500
transmits light and information using a process of total internal reflection
optical fibers
500
Number 5
Ciliary muscles
500
units for current in a circuit
amps or amperes