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34 Cards in this Set

  • Front
  • Back
always inverted
real image
image only seems to be there
virtual image
are composed of alternating layers of a high and low refractive index film deposited on a substrate
dielectric mirrors
forms virtual image have exact focus using telescopes backyard satellite dishes
parabolic mirrors
silvered surface of the mirror on the inner side of the curve
concave spherical mirror
silver surface of the mirror on the outer side of the car
convex spherical mirror
real upside down further from mirror than object
concave mirrors between the center of curvature and the focal point
virtual rightside up farther from mirror than object
concave mirror between the surface and the focal point
virtual rightside up closer to the mirror then the object
convex mirrors
main part of the mirror surface is flatbbut it curves away towards the outer edge
a spherical mirrors
solid glass objects that are ground and polished into geometrical and optically shapes
prisms
three purposes of prisms serves
dispersive element a beam splitter and a polarizing device
what is a convenient geometry illustrate dispersion in the use of the angle of minimum deviation provides a good way to measure the index of refraction of a material
a refracting prism
prisms are typically characterized by their
angle of minimum deviation
what type of prisms are constant deviation 90 degrees dispersing prisms
pellin broca prisms PBP
use in applications that require separate the incident light into its component Wavelengths
dispersion prisms
dispersion prisms are ideal for
spectroscopy or laser tuning
used for erecting or otherwise changing the orientation of an image to make use of total internal reflection inside of refraction
reflecting prisms
myopia also known as
nearsightedness
occurs if the eyeball is too long or the cornea the clear front cover of I has too much curvature
nearsightedness
to regain clear vision from nearsightedness
i glasses contact lenses oethokeratolgy, laser or other refractive surgery procedures, vision therapy for persons with stress-related nearsightedness
hyperopia medically termed for
farsightedness
eyeball is too short or the cornea has two little curvature
farsightedness
vision condition that causes blurred vision do either to irregular shape of the cornea the clear front cover of the eye or sometimes the curvature of the lens inside the eye
astigmatism
an irregular shaped cornea or lens prevents light from focusing properly on the
retina
a magnifying glass is a
biconvex lens
magnification number is less than one refers to a
reduction in size sometimes called minication or demagnification
was designed to provide greater magnification
compound microscope
gathers and focuses light mainly from the visible part of the electromagnetic spectrum to create a magnified image for direct view or to make a photo graph or to collect data through electronic image sensors
optical telescope
lens focuses light onto the focal plane
refracting telescope
concave mirror focuses light onto the focal plane almost all modern telescopes are
reflecting telescopes
used flat diagonal secondary mirror to deflect light outside of tube
Newtonian
used convex secondary mirror to reflect light back through hole in primary
cassegrain
a technique used to analyze an optical system made of two or more lenses
image relay