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Terms and definitions

Everything in this flashcard set.

LIGHT
What lets us see; the opposite of dark
COLOURS
A visual attribute of things that results from the light they emit or transmit or reflect (plural)
RED
The color of a fire truck
BLUE
The color of the sky on a clear day
SPECTRUM
An ordered array of the components of an emission or wave
VIOLET
Any of numerous low-growing violas with small flowers
INDIGO
A blue dye obtained from plants or made synthetically
GREEN
The color of grass
YELLOW
The color of a banana
ORANGE
Citrus fruit that shares its name with a color
REFLECTION
The phenomenon of a propagating wave being thrown back from a surface
REFRACTION
The change in direction of a propagating wave when passing from one medium to another
STRAIGHT
A poker hand with 5 consecutive cards
TRANSLUCENT
Allowing light to pass through diffusely
WHITE
The color of snow
PRISM
A polyhedron with two congruent and parallel faces and whose lateral faces are parallelograms
MIRRORS
Polished surface that forms images by reflecting light (plural)
ANGLE OF INCIDENCE
The ___ that a line makes with a line perpendicular to the surface at the point of ___
NORMAL
Something regarded as a ___ example
FILTERS
An electrical device that alters the frequency spectrum of signals passing through it (plural)
SHADOW
Shade within clear boundaries
PRIMARY COLOURS
Any of three colors from which all others can be obtained by mixing (plural)
OPAQUE
Not transmitting or reflecting light or radiant energy
DISPERSE
To cause to separate and go in different directions

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