ICP 18 Electromagnetic Waves And Light Question Preview (ID: 19100)
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What color do you get when you mix red and green light?
a) yellow
b) brown
c) cyan
d) magenta
What color do you get when you mix cyan and magenta pigments?
a) white
b) yellow
c) red
d) blue
What is the speed of all electromagnetic waves in a vacuum?
a) 4 x 10^ 7 m/s
b) 3 x 10^8 m/s
c) 5 x 10^6 m/s
d) 8 x 10^3 m/s
What are the primary colors of light?
a) cyan yellow magenta
b) red yellow blue
c) cyan green yellow
d) red green blue
What are the primary colors of pigment?
a) cyan yellow green
b) cyan magenta yellow
c) red green blue
d) red yellow blue
A material that allows light to pass through it
a) opaque
b) translucent
c) transparent
d) polarized
A material that allows light through it but scatters the light
a) opaque
b) translucent
c) transparent
d) polarized
A material that reflects or absorbs all light
a) opaque
b) transparent
c) translucent
d) polarized
Violet light has a higher frequency than green light, therefore the photons of violet light have __ photons of green light
a) more energy than
b) the same energy as
c) less energy than
d) unable to know
A lens that only allows a certain direction of light waves to pass through it is called
a) opaque
b) polarized
c) transparent
d) translucent
bending of light
a) refracting
b) reflecting
c) transmitting
d) absorbing
bouncing of light
a) refracting
b) transmitting
c) reflecting
d) absorbing
When light is allowed to pass through it is
a) reflected
b) refracted
c) absorbed
d) transmitted
Electromagnetic waves need a medium to travel through
a) true
b) false
c)
d)
The transfer of energy by electromagnetic waves traveling through matter or across space is called
a) electromagnetic radiation
b) nuclear charge
c) electric charge
d) warping
The electromagnetic spectrum in order from longest wavelength to shortest wavelength is: (#1)
a) microwaves
b) radio waves
c) visable light
d) gamma rays
The electromagnetic spectrum in order from longest wavelength to shortest wavelength is: (#2)
a) visible light
b) X-rays
c) microwaves
d) ultraviolet ray
The electromagnetic spectrum in order from longest wavelength to shortest wavelength is: (#3)
a) ultraviolet rays
b) visible light
c) microwaves
d) infrared waves
The electromagnetic spectrum in order from longest wavelength to shortest wavelength is: (#4)
a) visible light
b) infrared waves
c) ultraviolet rays
d) X-rays
The electromagnetic spectrum in order from longest wavelength to shortest wavelength is: (#5)
a) radio waves
b) visible light
c) infrared waves
d) ultraviolet rays
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