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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
transparent
B
opaque
C
translucent
D
dark
2) The angle at which light strikes a surface is ___________ the angle at which it is reflected.
A
more than
B
less than
C
the same as
D
different than
3) The index of _________ indicates how much a material reduces the speed of light as it passes through.
A
prism
B
reflection
C
diffraction
D
refraction
4) ____ separate white light into the visible spectrum.
A
rainbows
B
prisms
C
filters
D
black lights
5) Colors are determined by the ________ of light an object reflects.
A
diffraction
B
pigment
C
wavelength
D
intensity
6) _______ objects reflect all colors of visible light.
A
dark
B
black
C
invisible
D
white
7) ________ objects absorb rather than reflect all colors of visible light.
A
dark
B
invisible
C
black
D
white
8) Cones and in our eyes help distinguish ________.
A
colors
B
size of objects
C
dark and light
D
speeds of objects
9) Which of these are the primary colors of light?
A
magenta, cyan, yellow
B
blue, green, purple
C
red, green, blue
D
red, yellow, orange
10) Primary colors combine to form
A
red
B
white
C
translucence
D
black
*select an answer for all questions
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