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Geometrical Optics

Word List with 38 words
*By Dictionary.com

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Words in This List

angle of deviation
noun
angle between direction of refracted and incident rays when light ray goes from one medium to other
brewster's angle
noun
polarization effect on light reflected at specific angle from transparent medium
compound microscope
noun
optical instrument for forming magnified images of small objects
concave mirror
noun
mirror with inward curved surface
converging lens
noun
lens that converts parallel rays of light to convergent rays and produces real image
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convex mirrors
noun
mirror with outward curved surface
critical angle
noun
angle of incidence for which refracted rays emerge tangent to surface separating two media
diffuse reflection
noun
reflection of light from surface in which the incident ray is reflected at many angles
dispersion
noun
variation of the index of refraction of a transparent substance
diverging lens
noun
lens that causes a beam of parallel rays to diverge after refraction
eyepiece
noun
lens in an optical instrument through which the eye views the image formed by the objective lens
focal length
noun
distance from a focal point of a lens or mirror to the corresponding principal plane
focal point
noun
point on the axis of optical system to which parallel rays of light converge or diverge
incident angle
noun
measure of the incoming ray to the normal
incident ray
noun
original beam of light which strikes a surface
index of refraction
noun
number indicating the speed of light in a given medium
law of reflection
noun
contends when light ray is reflected from smooth surface reflection angle equals angle of incidence
mirror equation
noun
determines distances from object to mirror, image to mirror and of the focal length
objective
noun
element which gathers light from object and focuses the light rays to make a real image
opaque
adjective
impenetrable to light
optical axis
noun
line passing through geometrical center of lens joining two centers of curvature of its surfaces
optical lenses
noun
device with axial symmetry which refracts light at its interfaces
plane mirrors
noun
mirror with flat reflective surface
plane of incidence
noun
plane determined by ray incident on surface and normal at point where incident ray strikes surface
prism
noun
transparent solid body used for dispersing light into a spectrum or reflecting rays of light
radius of curvature
noun
absolute value of reciprocal of curvature at a point on curve
ray
noun
any of the lines or streams in which light appears to radiate from a luminous body
ray diagram
noun
tool to find path taken by light from an object to the mirror to human eyes
real image
noun
representation of object with a perceived location that's actually a point of convergence of light
reflected angle
noun
measure of the outgoing ray to the normal
reflected ray
noun
beam of light after it's reflected off a surface
reflection
noun
return of light, heat, sound, etc., after striking a surface
refracted ray
noun
beam of light extending forward from point of refraction after it's transmitted through surface
snell's law
noun
relation between path taken by light ray crossing between two substances and refractive index
spectrum
noun
array of entities ordered in accordance with magnitudes of common physical property
total internal reflection
noun
reflection of light ray at boundary of two media when ray is in medium with greater refractive index
transparent
adjective
property of transmitting rays of light through its substance
virtual image
noun
image in which reflected rays from point on object diverge

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Essential Latin Roots: Para-
by Dictionary.com
11 words

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Parts of Speech in English
by Dictionary.com
14 words

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Modern World: World War II

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