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WorksheetsEM Spec and Shifts Review
Total questions: 41
Worksheet time: 1hrs 10mins
Name
Class
Date
1.
Cell phones and televisions use this type of EM wave. It has the longest wavelength with the lowest frequency.
a)
radio wave
b)
tv wave
c)
Gamma wave
d)
ultra violet
2.
Which portion of the electromagnetic spectrum includes the range of light that can be detected by the human eye?
a)
ultraviolet light
b)
visible light
c)
infrared light
d)
x-rays
3.
If the wavelength of an electromagnetic wave is longer, what is true about the energy?
a)
Energy is higher.
b)
Energy is lower.
c)
Energy is not dependent on wavelength.
d)
energy is cancelled out
4.
Which part of the electromagnetic spectrum has high enough energy to cause damage to eyes and skin, and sometimes even cancer?
a)
infrared light
b)
visible light
c)
ultraviolet light
d)
microwaves
5.
Which of the following electromagnetic waves is given off as heat?
a)
ultraviolet light
b)
x-rays
c)
gamma rays
d)
infrared rays
6.
A wave with a large wavelength will have a ______ frequency and _____ energy
a)
high, low
b)
high, high
c)
low, high
d)
low, low
7.
These are the waves that are used to penetrate solids and are used to create medical images.
a)
visible light
b)
gamma rays
c)
x rays
d)
microwaves
8.
The distance between one point of a wave to the same point on the next wave.
a)
frequency
b)
wavelength
c)
amplitude
d)
crest
9.
The type of wave with the shortest wavelength and highest frequency. This type of wave is extremely harmful.
a)
radio
b)
infrared
c)
gamma
d)
x ray
10.
The type of EM wave that is used to cook food. It has a higher frequency than radio waves.
a)
radio
b)
microwave
c)
gamma
d)
visible light
11.
This color has the shortest wavelength
a)
Indigo
b)
red
c)
Yellow
d)
violet
12.
If an object appears blue, this means that ______
a)
all colors are absorbed except blue, blue is reflected
b)
all colors are reflected except blue, blue is absorbed
13.
Which type of electromagnetic radiation has the shortest wavelength?
a)
Radio Waves
b)
Visible Light
c)
Microwaves
d)
Gamma Rays
14.
Which type of visible light has the highest energy?
a)
Red
b)
Yellow
c)
Green
d)
Violet
15.
Which type of radiation has a frequency closest to 105?
a)
Radio
b)
Infrared
c)
Ultraviolet
d)
X-Ray
16.
Which type of electromagnetic radiation has a wavelength near 10-8?
a)
Microwave
b)
Infrared
c)
Visible
d)
Ultraviolet
17.
Which of the following types of radiation has the shortest wavelength and the highest frequency?
a)
Radio Waves
b)
Infrared
c)
Visible
d)
X-Rays
18.
What wavelength of light can the human eye perceive?
a)
103
b)
10-6
c)
10-10
d)
1013
19.
which wavelength gives you sunburn?
a)
radio
b)
microwaves
c)
infra red
d)
Ultra violet
20.
The longer its wavelength, the more energy light carries.
a)
True
b)
False
21.
What is NOT part of the electromagnetic spectrum?
a)
Visible light
b)
X rays
c)
Gamma Rays
d)
Magnetic Rays
22.
Light is a form of
a)
energy
b)
matter
c)
reflection
23.
All waves carry
a)
energy
b)
light
c)
matter
d)
particles
24.
When frequency increases, __________ increases.
a)
energy
b)
wavelength
c)
strength
d)
color
25.
If a star is being observed from Earth and it's light has shifted towards the blue side of the electromagnetic spectrum it would be...
a)
Moving towards the Earth
b)
Moving away from the Earth
c)
This is a trick question that cannot be answered
d)
It isn't a star, it is a very large blueberry.
26.
The vast majority of galaxies in our universe are moving away from us. We know this because we observe __________ in the galaxies absorption spectra.
a)
Redshift
b)
Blueshift
c)
Turbulance
d)
Superposition
27.
What does the Red-shift tell us about the universe
a)
the universe is expanding
b)
the universe is contracting
c)
the big bang is false
d)
nothing
28.
When blueshift occurs, the perceived WAVELENGTH of the wave would...
a)
Increase
b)
Decrease
c)
Stay the same
d)
Make frog sounds
29.
When redshift occurs, the perceived WAVELENGTH of the wave would...
a)
Increase
b)
Decrease
c)
Stay the same
d)
Make squirrell sounds
30.
Galaxies that are redshifted are:
a)
actually blue.
b)
really far away.
c)
invisible.
d)
moving away from us.
31.
The blue section of the wave is measuring _________________.
a)
wavelength
b)
crest
c)
trough
d)
amplitude
32.
How can a scientist tell how quickly and object in space is moving and whether or not its moving toward Earth?
a)
redshift and blueshift
b)
ultraviolet and infrared
c)
absorption and radiation
d)
absorption and emission
33.
Long sound waves are...
a)
high pitched
b)
low pitched
c)
medium pitched
34.
Short sound waves are...
a)
high pitched
b)
low pitched
c)
medium pitched
35.
The Doppler effect is seen when a wave-making source moves toward an observer.
a)
True
b)
False
36.
What can you tell about this object's motion?
a)
Moving to the North (up).
b)
Moving to the South (down).
c)
Moving to the West (left).
d)
Moving to the East (right).
37.
What direction is this object moving?
a)
left
b)
right
c)
up
d)
down
38.
What can you tell about the motion of this object?
a)
Moving left.
b)
Moving right quickly.
c)
Standing still.
d)
Moving up slowly.
39.
Light can change color due to the Doppler Effect.
a)
True
b)
False
40.
You are standing on the side of the road when a police car races past you with its siren on. After the police car passes you, what happens to the pitch of the siren?
a)
It increases
b)
It decreases
c)
It turns red
41.
An astronomer looks at a star in the night sky. Based on his calculations the star's light is shifting towards the color blue. What does this mean about the star?
a)
It's moving towards the astronomer
b)
It's moving away from the astronomer
c)
It's not moving at all
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