IPC Review-Light Question Preview (ID: 1445)
IPC Review-Light.
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____________ materials do not let light through. They only absorb and reflect.
a) opaque
b) transparent
c) translucent
d) dark
The angle at which light strikes a surface is ___________ the angle at which it is reflected.
a) less than
b) different than
c) the same as
d) more than
The index of _________ indicates how much a material reduces the speed of light as it passes through.
a) diffraction
b) reflection
c) refraction
d) prism
____ separate white light into the visible spectrum.
a) rainbows
b) prisms
c) black lights
d) filters
Colors are determined by the ________ of light an object reflects.
a) diffraction
b) wavelength
c) pigment
d) intensity
_______ objects reflect all colors of visible light.
a) white
b) black
c) invisible
d) dark
________ objects absorb rather than reflect all colors of visible light.
a) white
b) black
c) invisible
d) dark
Cones and in our eyes help distinguish ________.
a) colors
b) speeds of objects
c) dark and light
d) size of objects
Which of these are the primary colors of light?
a) red, yellow, orange
b) red, green, blue
c) magenta, cyan, yellow
d) blue, green, purple
Primary colors combine to form
a) white
b) black
c) red
d) translucence
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