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WorksheetsElectromagnetic Radiation
Total questions: 63
Worksheet time: 32mins
Name
Class
Date
1.
What can be described as the movement of energy through space?
a)
Radiation
b)
vacuum
c)
Waves
d)
speed
2.
How does electromagnetic radiation travel through space?
a)
vacuum
b)
wave
c)
fly
d)
bounces off things
3.
Electromagnetic waves are produced by ...
a)
waves
b)
magnetism
c)
vibrating electric charges
d)
the spectrum
4.
A space that is completely empty and contains no matter
a)
vacuum
b)
electromagnetic spectrum
c)
black hole
d)
outer space
5.
What is the speed of light?
a)
300,300,300 m/s
b)
3,000,000 m/s
c)
300,000,000,000 m/s
d)
300,000,000 m/s
6.
How is the electromagnetic radiation organized?
a)
how much energy it carries
b)
the wavelengths
c)
the frequencies
d)
the wavelengths and frequencies
7.
What is the correct order of waves from longest wavelength to shortest wavelength?
a)
Radio, Microwave, Infrared, Visible light, UV, X-Ray, Gamma Rays
b)
Gamma rays, X-Rays, UV, Visible Light, Infrared, microwave, radio
c)
radio, microwave, infrared, visible light, x-ray, UV, gamma ray
d)
Gamma ray, X-Ray, Visible light, UV, Infrared microwave, radiio
8.
The higher the frequency the ...
a)
lower the energy
b)
longer the wavelength
c)
higher the energy
d)
more colors you see
9.
Which of the following forms of EMR has the longest wavelength?
a)
microwaves
b)
radio waves
c)
visible light
d)
x-rays
10.
Which of the following forms of EMR has the shortest wavelength?
a)
Gamma rays
b)
UV
c)
Infrared
d)
Visible light
11.
Which of the following forms of EMR has the highest frequency?
a)
microwaves
b)
infrared
c)
UV
d)
X-Ray
12.
Which of the following forms of EMR has the lowest frequency?
a)
radio
b)
UV
c)
X-Rays
d)
Gamma rays
13.
Which of the following forms of EMR carries the lowest energy?
a)
visible light
b)
infrared
c)
radio
d)
microwaves
14.
Which of the following forms of EMR carries the highest energy?
a)
radio
b)
gamma
c)
UV
d)
infrared
15.
Which of the following forms of EMR travels fastest through a vacuum?
a)
radio
b)
X-ray
c)
UV
d)
all travel the same speed
16.
Who discovered Radio Waves?
a)
James Clark Maxwell
b)
Heinrich Hertz
17.
Which wave is used for navigation?
a)
radio
b)
UV
c)
infrared
d)
visible light
18.
Transmitters and Receivers are need for which wave?
a)
microwave
b)
gamma
c)
x-ray
d)
radio
19.
Radio waves carry the lowest energy of any EM wave because they have the smallest wavelength
a)
true
b)
false
20.
What is used to decode radio waves?
a)
amplifier
b)
transmitter
c)
receiver
d)
antenna
21.
FM radio waves are transmitted by modifying the waves...
a)
speed
b)
frequency
c)
wavelength
d)
amplitude
22.
Which wave is used for communications?
a)
gamma
b)
UV
c)
microwaves
d)
visible light
23.
What allows us to use instagram?
a)
radio
b)
microwaves
c)
infrared
d)
visible light
24.
What type of EM wave is used to transmit cell phone signals?
a)
radio waves
b)
tv waves
c)
microwaves
d)
gamma rays
25.
Why do microwaves have higher data transmission rates than radio waves?
a)
they have a lower frequency
b)
they have a higher frequency
c)
they travel at a higher speed
d)
they have a longer wavelength
26.
What are the three types of waves that make up the mid-range region
a)
infrared, visible light, UV
b)
infrared, UV, x-ray
c)
radio, microwave, infrared
d)
visible light, UV, gamma ray
27.
Which wave refers to "below red"
a)
UV
b)
visible light
c)
gamma
d)
infrared
28.
Infrared objects emit ...
a)
an aurora
b)
bright colors
c)
heat
d)
coldness
29.
What is the correct acronym ?
a)
ROYGBIV
b)
ROOYGBIIV
c)
ROYDBIV
d)
ROYGBIVE
30.
Objects do not allow light to pass through them
a)
opaque
b)
transparent
c)
transmit
d)
opal
31.
Objects absorb certain wavelengths of light and transmits other wavelengths
a)
opaque
b)
transparent
32.
What are the three types of UV radiation?
a)
UVA, UVB, UVC
b)
UV1, UV2, UV3
c)
UVA, UVC, UVE
d)
UV1A, UV2B, UV3C
33.
Which UV ray is the primary reason our skin will "tan"?
a)
UVA
b)
UVB
c)
UVC
34.
Which UV rays reaches earths surface?
a)
UVA
b)
UVB
c)
UVC
d)
Both UVA and UVB
35.
Which UV ray is more intense at higher elevations and on reflective surfaces?
a)
UVA
b)
UVB
c)
UVC
36.
Which UV ray does not penetrate glass?
a)
UVA
b)
UVB
c)
UVC
37.
Which UV ray does not reach the surface on Earth?
a)
UVA
b)
UVB
c)
UVC
38.
Humans can see which of the following types of mid-range EM waves?
a)
infrared
b)
visible light
c)
UV light
d)
all of the above
39.
Within the mid-range region of the EM spectrum, ________ light has the longest wavelegnth
a)
infrared
b)
red
c)
UV
d)
violet
40.
Which type of visible light has the highest energy?
a)
red
b)
orange
c)
green
d)
violet
41.
The brightness of a light wave is related to the waves amplitude.
a)
true
b)
false
42.
UV rays cannot penetrate clouds to reach Earth's surface
a)
true
b)
false
43.
Some animals can see beyond the visible light spectrum to see UV or infrared rays
a)
true
b)
false
44.
Which type of EM waves can be detected as heat by thermal imaging cameras?
a)
infrared
b)
red
c)
UV
d)
violet
45.
The highest energy EM waves are
a)
microwaves
b)
UV
c)
x-rays
d)
gamma rays
46.
Which type of high energy EM wave has been used by physicists to kill cancer cells?
a)
UV
b)
infrared
c)
x-ray
d)
gamma ray
47.
waves bounce back off the matter
a)
reflection
b)
absorption
c)
refraction
d)
normal
48.
waves can be absorbed by the matter
a)
reflection
b)
absorption
c)
refraction
d)
normal
49.
waves can pass through the matter at a different angle due to the waves change in speed
a)
reflection
b)
absorption
c)
refraction
d)
normal
50.
What is the relationship between angle of incidence and angle of reflection?
a)
they have the same angles
b)
they have opposite angles
c)
one angle is larger than the other
d)
one angle is at 90 degree
51.
What occurs when light bounces off a flat object?
a)
specular reflection
b)
diffuse reflection
c)
tranmission
d)
coherent reflection
52.
In both specular and diffuse reflection, the light rays have the same...
a)
refracted angle
b)
reflected angle
c)
incident angle
d)
normal
53.
Occurs when light bounces off a surface that is not flat
a)
specular reflection
b)
diffuse reflection
c)
normal
d)
transmitted reflection
54.
Which of the following colors reflects off a red, opaque object?
a)
red
b)
orange
c)
green
d)
violet
55.
which of the following reflects off a tennis ball?
a)
red
b)
orange
c)
yellow
d)
green
56.
If an object hit by white light appears green, which of the following colors of light must be absorbed by the object?
a)
red
b)
orange
c)
yellow
d)
all of the above
57.
Which t-shirt will get hotter in the sun due to its color?
a)
red
b)
orange
c)
blue
d)
violet
58.
Which color of the spectrum bends the least?
a)
red
b)
yellow
c)
blue
d)
violet
59.
When light passes into a denser medium, the speed of the light...
a)
decreases
b)
increases
c)
stays the same
60.
When light passes into a less dense medium, the speed of light ...
a)
decreases
b)
increases
c)
stays the same
61.
What is the imaginary line perpendicular to the surface of the material?
a)
normal
b)
reflection
c)
refraction
d)
none of the above
62.
As light enters a denser material, the refracted light bends ________ the normal
a)
towards
b)
away from
63.
When light passes into a less dense medium, the refracted light bends _______ from the normal.
a)
towards
b)
away
c)
none of the above
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