Electromagnetic Spectrum & Light - PS - Ch 18

Quiz by Linwood Starling

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25 questions
• Q1
Electromagnetic waves vary in
he speed they travel in a vacuum
wavelength and frequency
the way they reflect
their direction
45s
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• Q2
To calculate the frequency of an electromagnetic wave, you need to know the speed of the wave and its
refraction
intensity
wavelength
amplitude
45s
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• Q3
Because light travels in a straight line and casts a shadow, Isaac Newton hypothesized that light is
a wave
a stream of particles
heat
45s
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• Q4
Light acts like
both a wave and a particle
neither a wave nor a particle
a wave
a particle
45s
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• Q5
Photons travel outward from a light source in
a single straight line
a small, dense area
increasing intensity
all directions
45s
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• Q6
Infrared rays have a shorter wavelength than
gamma rays
X-rays
ultraviolet rays
45s
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• Q7
The full range of frequencies of electromagnetic radiation is called
visible light
the electromagnetic spectrum
45s
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• Q8
The visible light spectrum ranges between
infrared rays and ultraviolet rays
ultraviolet rays and gamma rays
television waves and infrared rays
45s
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• Q9
Cellular telephones utilize
very low frequency waves
very high frequency waves
microwave
45s
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• Q10
The waves with the longest wavelengths in the electromagnetic spectrum are
gamma rays
X-rays
infrared rays
45s
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• Q11
In order of the light-transmitting capabilities of materials from none to all, which is the correct sequence?
opaque -> transparent -> translucent
translucent -> transparent -> opaque
opaque -> translucent -> transparent
transparent -> opaque -> translucent
45s
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• Q12
A translucent material
reflects all light
absorbs all light
scatters some light
transmits all light
45s
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• Q13
Which of the following occurs as a light wave bends when it passes from one medium into another?
constructive interference
refraction
destructive interference
reflection
45s
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• Q14
Newton’s prism experiments showed that white sunlight is made up of
only blue light when separated by a prism
only the longest wavelengths
all the colors of the visible spectrum
the full electromagnetic spectrum
45s
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• Q15
An incandescent light bulb produces light when electrons flow through the
glass
air
filament
vacuum
45s
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• Q16
A fluorescent light bulb usually contains
a vacuum
mercury vapor
oxygen
fluorescent powder
45s
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• Q17
What an object is made of and the color of light that strikes it determines the
translucence of the object
transparency of the object
color of the object
opacity of the object
45s
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• Q18
The primary colors of light are
cyan, magenta, and yellow
green, blue, and black
red, yellow, and blue
blue, green, and red
45s
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• Q19
Which kind of light is used to carry information through optical fibers?
laser
fluorescent
sodium-vapor light
incandescent
45s
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• Q20
A region of space that exerts electric forces on charged particles.