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IPC Review-Light
Test Description: IPC Review-Light
Instructions: Answer all questions to get your test result.
1) ____________ materials do not let light through. They only absorb and reflect.
A
dark
B
opaque
C
translucent
D
transparent
2) The angle at which light strikes a surface is ___________ the angle at which it is reflected.
A
less than
B
more than
C
different than
D
the same as
3) The index of _________ indicates how much a material reduces the speed of light as it passes through.
A
refraction
B
diffraction
C
prism
D
reflection
4) ____ separate white light into the visible spectrum.
A
rainbows
B
filters
C
black lights
D
prisms
5) Colors are determined by the ________ of light an object reflects.
A
diffraction
B
wavelength
C
intensity
D
pigment
6) _______ objects reflect all colors of visible light.
A
black
B
invisible
C
white
D
dark
7) ________ objects absorb rather than reflect all colors of visible light.
A
invisible
B
white
C
black
D
dark
8) Cones and in our eyes help distinguish ________.
A
speeds of objects
B
dark and light
C
size of objects
D
colors
9) Which of these are the primary colors of light?
A
blue, green, purple
B
red, green, blue
C
red, yellow, orange
D
magenta, cyan, yellow
10) Primary colors combine to form
A
translucence
B
white
C
red
D
black
*select an answer for all questions
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