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Unit 3: Waves & Electromagnetic Radiation Review

Total questions: 106

Worksheet time: 2hrs 8mins

Name
Class
Date
1.

Waves that need to travel through matter are known as

a)

Medium waves

b)

Mechanical waves

c)

Air waves

d)

Heat waves

2.

A high point of a wave is known as a

a)

upside

b)

crest

c)

peak

d)

flip

3.

A low point of a wave is known as a

a)

downside

b)

well

c)

trough

d)

flop

4.

The distance between two corresponding parts of a wave is the ____.

a)

crest

b)

trough

c)

amplitude

d)

wavelength

5.

Height of a wave from mid-point or resting position to the crest is known as

a)

crest

b)

trough

c)

amplitude

d)

wavelength

6.

The lowest point on a transverse wave is called ____

a)

rarefaction

b)

crest

c)

trough

d)

compression

7.

What do waves transfer?

a)

Energy only

b)

Energy and matter or particles

c)

Matter or particles but not energy

d)

Matter only

8.

What do we call the matter (solid, liquid, or gas) through which mechanical waves travel?

a)

medium

b)

vibration

c)

disturbance

d)

energy

9.
Sound does not travel in space because
a)

Space is not real and the Earth is flat.

b)

Space does not have the medium for sound to travel.

c)

Space is filled with too much dust and debris for sound waves to bounce off of.

d)

The electromagnetic radiation in space cancels out Sound Waves.

10.

What is the relationship between frequency and sound?

a)

Frequency affects a sound's volume.

b)

Frequency affects a sound's amplitude.

c)

Frequency affects a sound's loudness.

d)

Frequency affects a sound's pitch.

11.
As the fire truck approached Mary, the pitch of the siren got higher. Once the fire truck passed and moved away, the siren's pitch got lower. This change in pitch is because of a change in the sound wave's
a)

compression. 

b)
amplitude. 
c)

rarefaction.

d)
frequency. 
12.

A wave with a large/long wavelength will have a ______ frequency and _____ energy

a)
high, low
b)
high, high
c)
low, high
d)
low, low
13.

Sunburns are caused by ultraviolet (UV) light, not visible light, even though, as the graph below shows, the visible part of sunlight is more intense than the ultraviolet part.

Ultraviolet light has a shorter wavelength than visible light. Which conclusion is BEST supported by this information?

a)

Shorter wavelength electromagnetic radiation has higher speed.

b)

Shorter wavelength electromagnetic radiation has more energy.

c)

Shorter wavelength electromagnetic radiation has greater charge.

d)

Shorter wavelength electromagnetic radiation has greater mass.

14.

A student is modeling the relationship between a sound wave's amplitude and its energy. The student will use a series of labeled pictures to illustrate the relationship. Which picture would be appropriate for this model?

a)

a glass shattering when it is exposed to a high-pitched sound

b)

people covering their ears when they hear a loud sound

c)

a tuning fork vibrating when it is exposed to a particular note

d)

a dog looking in the direction of a sound humans can't hear

15.

High-energy radiation from the Sun can cause damage to the cells of organisms. Earth's atmosphere protects its inhabitants from much of the Sun's harmful radiation. Which of the following is NOT a type of high-energy radiation that is reflected or absorbed by Earth's atmosphere?

a)

X-ray radiation

b)

gamma radiation

c)

ultraviolet radiation

d)

microwave radiation

16.
Which of the following electromagnetic waves is given off as heat? 
a)
Radio Waves
b)
Infrared Rays
c)
Visible Light
d)
Gamma Rays
17.
Which type of electromagnetic radiation has the shortest wavelength?
a)
Radio Waves
b)
Visible Light
c)
Microwaves
d)
Gamma Rays
18.
Which type of visible light has the highest energy?
a)
Red
b)
Yellow
c)
Green
d)
Violet
19.

Which color of visible light has the longest wavelength?

a)

red

b)

orange

c)

yellow

d)

green

20.

Which of the following is a unit for frequency?

a)

Joules

b)

Hertz

c)

meters per second

d)

seconds

21.

A light particle is called a(n):

a)

electromagnetic wave

b)

photon

c)

electron

d)

atom

22.

Select the correct order of waves on the EMS from low to high energy

a)

Radio, Micro, Infrared, Visible light, Ultraviolet, X-ray, Gamma

b)

Gamma, X-ray, Ultraviolet, Visible light, Infrared, Micro, Radio

c)

Visible light, Micro, Infrared, Ultraviolet, X-ray, Gamma, Radio

d)

Micro, Radio, Visible light, Infrared, Ultraviolet, X-ray, Gamma

23.

Explain the relationship between temperature and the kinetic energy of the particles within a substance.

a)

Temperature is unrelated to the kinetic energy of particles.

b)

As temperature increases, the kinetic energy of particles decreases.

c)

As temperature increases, the kinetic energy of particles increases.

d)

Temperature is the same as the potential energy of particles.

24.

Which wave has the longest wavelength?

a)
b)
c)
25.

Which wave has the most energy?

a)
b)
c)
26.

Which type of electromagnetic radiation has the longest wavelengths?

a)

x-rays

b)

visible light

c)

microwaves

d)

radio waves

27.

Which of the following lists types of electromagnetic radiation from shortest wavelength to longest wavelength?

a)

x-rays, visible light, UV light, infrared radiation

b)

microwaves, visible light, UV light, x-rays

c)

gamma rays, x-rays, visible light, microwaves

d)

UV light, microwaves, radio waves, visible light

28.
High frequency waves have _________ wavelengths.
a)
varying
b)
long
c)
the same
d)
short
29.
What is the speed of light?
a)
3.0x108 ms
b)
3.0x108 m/s
c)
6.626x10-34 Js
d)
6.626x10-34 J/s
30.

A student places a cork upright in a wave tank filled with water. The image shows how a wave ripples across the tank. The cork does not change its position within the wave; instead, it moves up and down in its original position. What can be concluded about mechanical waves from this activity?

a)

Mechanical waves can move through empty spaces.

b)

Mechanical waves carry the particles of mediums along with the waves.

c)

Mechanical waves transfer energy but not matter.

d)

Mechanical waves do not carry energy.

31.

What is the Doppler Effect?

a)

A change in frequency due to the relative motion of a wave source and an observer

b)

When a wave overlaps with another wave

c)

When a wave bounces off of another object

d)

When a wave bends due to traveling through a different medium

32.

An ambulance is driving towards you as you stand on the sidewalk. What happens to the pitch of the siren as it comes towards you?

a)

It increases

b)

It decreases

33.

You are driving in a car and honk the horn at a person standing in the street. As you approach the person, what happens to the pitch of the horn according to you in the car?

a)

It increases

b)

It decreases

c)

It stays the same because you are in the car moving with the sound.

34.

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

35.

Longitudinal waves must have a __________ to transfer energy

a)

Medium

b)

Formula

c)

Balanced Force

d)

oscillation

36.

All waves carry ______________.

a)

Sound

b)

Light

c)

Matter

d)

Energy

37.
What do we call the part of a compressional wave that is spread a part?
a)
compression
b)
rarefaction
c)
crest
d)
trough
38.
The part of a longitudinal wave where the particles of the medium are close together.
a)
rarefaction
b)
compression
c)
crest
d)
trough
39.

The vibrations in a longitudinal wave are __________ to the direction of energy transfer.

a)

parallel

b)

perpendicular

c)

Up and Down

d)

Backwards

40.
The distance between two identical parts on a wave.  For example one compression, to the next compression.
a)
Compression
b)
Rarefaction
c)
Amplituide
d)
Wavelength
41.
How would you describe the amplitude of a longitudinal wave?
a)
From centerline to crest or trough
b)
Density of the compression
c)
From centerline to compression
d)
Density of rarefaction
42.

Electromagnetic waves vary in

a)

the speed they travel in a vacuum.

b)

wavelength and frequency.

c)

the way they reflect.

d)

the orientation of their electric and magnetic fields.

43.

What is the unit for wavelength(λ)?

a)

meters

b)

Hertz

c)

meters/second

d)

seconds/meter

44.
1.  A wave has frequency of 50 Hz and a wavelength of 10 m. What is the speed of the wave?
a)
500 m/s
b)
50 m/s
c)
5 m/s
d)
0.5 m/s
45.

A wave has frequency of 5 Hz and a speed of 25 m/s. What is the wavelength of the wave?

a)

5 m

b)

5 Hz

c)

125 m

d)

125 Hz

46.

A wave has a frequency of 14 Hz and a wavelength of 3 m. At what speed will this wave travel?

a)

42 m/s

b)

42 m

c)

4.67 m/s

d)

4.67 Hz

47.
Velocity= 12 m/s
Wavelength= __________
Frequency= 600 hertz
a)
7200 m
b)
0.02 m
c)
612 m
48.
Velocity= 600 m/s
Wavelength= 2.0m
Frequency= _________
a)
300 hertz
b)
.0033 hertz
c)
3000 hertz
49.

A Radio Wave is an example of what type of wave?

a)

Mechanical Wave

b)

Electromagnetic Wave

c)

Seismic Wave

d)

All of the Above

50.

The number of waves that pass a point in a given period of time is....

a)

wavelength

b)

frequency

c)

amplitude

d)

wave velocity

51.

The material a wave is travelling through is known as its

a)

crest

b)

trough

c)

medium

d)

energy

52.

Which of the following wave would have more energy?

a)

A wave with a higher frequency

b)

A wave with a low frequency

c)

A wave with a bigger medium

d)

A wave with a greater velocity

53.

Which of the following could effect the wave's velocity?

a)

The wave's frequency

b)

The wave's amplitude

c)

The wavelength

d)

The medium the wave is travelling through

54.

When the amplitude of a wave increases, the frequency...

a)

increases

b)

decreases

c)

does not change

55.

A wave has wavelength of 10 m and a speed of 340 m/s. What is the frequency of the wave?

a)

34 m/s

b)

34 hz

c)

3400 m/s

d)

3400 Hz

56.

Which term means the number of waves that pass a point in 1 second?

a)

Amplitude

b)

Frequency

c)

Wavelength

57.

Which section of the electromagnetic spectrum is the ONLY part humans can see?

a)

X-Rays

b)

Gamma Rays

c)

Visible Light

d)

Ultraviolet Rays

58.

Which electromagnetic waves are used by doctors to detect broken bones inside your body?

a)

X-Rays

b)

Gamma Rays

c)

Ultraviolet Rays

d)

Infrared Rays

59.

Which has the SHORTEST wavelength and therefore the highest frequency/most energy? Hint: These waves are also used in cancer treatments.

a)

Gamma Rays

b)

Radio Waves

c)

Ultraviolet Rays

d)

X-rays

60.

The portion of the electromagnetic spectrum that humans can see is called:

a)

radio waves

b)

visible light

c)

gamma rays

d)

x-rays

61.

the distance between peaks of electromagnetic waves is called:

a)

wavelength

b)

frequency

c)

energy

d)

Planck's Constant

62.

Which type of electromagnetic energy carries the least energy?

a)

X-Rays

b)

Visible Light

c)

Ultraviolet

d)

Microwaves

63.

Which of the following is a unit for frequency?

a)

Joules

b)

Hertz

c)

meters per second

d)

seconds

64.

A light particle is called a(n):

a)

electromagnetic wave

b)

photon

c)

electron

d)

atom

65.

Which has a longer wavelength?

a)

infrared

b)

ultraviolet

66.
Colors are arranged in wavelengths from longest to shortest, starting with red, then orange, yellow, green, blue, and then purple. Which color has the lowest frequency?
a)
A. Green
b)
B. Purple
c)
C. Blue
d)
D. Red
67.
Which type of electromagnetic wave has the most energy?
a)

A. Gamma Rays

b)

B. Radio Waves

c)

C. Microwaves

d)

D. Infrared Waves

e)

E. Visible Light

68.
Which type of electromagnetic wave has the least energy?
a)

A. Radio Waves

b)

B. Microwaves

c)

C. Infrared Waves

d)

D. Visible Light

e)

E. Gamma Rays

69.
Of all the colors in the visible part of the electromagnetic spectrum, red light has the lowest frequency and the __________________ energy.
a)
A. Highest
b)
B. Same
c)
C. Lowest
70.

Which of the following is true for sound waves?

a)

They require a medium.

b)

They are unrelated to vibrations.

c)

They cannot travel through liquids

d)

They can travel in a vacuum

71.

How do electromagnetic and mechanical waves compare?

a)

Mechanical waves can only travel through a vacuum, but electromagnetic waves can travel through a solid, liquid, or gas.

b)

Mechanical waves can travel through a solid, liquid, or gas, but electromagnetic waves can only travel through a gas.

c)

Mechanical waves can only travel through a solid, liquid, or gas, but electromagnetic waves can travel through a vacuum.

d)

Mechanical waves can travel through a solid, liquid, or gas, but electromagnetic waves can only travel through a solid.

72.

A student asks a series of questions about a wave. The answer to which question will allow the student to determine whether the wave is electromagnetic or mechanical?

a)

Does it require a medium in order to travel?

b)

Can it pass through air and water?

c)

Does it have a measurable speed?

d)

Does it have a measurable frequency?

73.

A student is measuring the distance between the crest and the rest position of both a mechanical wave and an electromagnetic wave. Which question is the student trying to answer?

a)

What is the speed of the waves?

b)

What is the amplitude of the waves?

c)

What is the wavelength of the waves?

d)

What is the frequency of the waves?

74.

Which distance represents the wavelength?

a)

W

b)

X

c)

Y

d)

Z

75.

Which distance represents the amplitude?

a)

W

b)

X

c)

Y

d)

Z

76.

What do radio waves, microwaves, X-rays, and gamma rays all have in common?

a)

They all have the same wavelength.

b)

They are electromagnetic waves.

c)

They are detected in the same way.

d)

They store the same amount of energy.

77.

Point A represents what?

a)

Trough

b)

Midpoint

c)

Crest

d)

node

78.

A wave with a SHORTER wavelength has _________ energy than one with a longer wavelength.

a)

More

b)

Less

c)

The Same

79.

The number of waves that pass a given point in a certain amount of time.

a)

Amplitude

b)

Frequency

c)

Speed

d)

Wavelength

80.

Area of a longitudinal wave where the particles are FAR apart.

a)

Rarefaction

b)

Wavelength

c)

Compression

81.

Area of a longitudinal wave where the particles are CLOSE together.

a)

Rarefaction

b)

Wavelength

c)

Compression

82.

If you were floating though space and an alien sneaked up and pulled off your space helmet, would anyone hear you cry for help?

a)

Yes

b)

No :(

83.

This wave can travel through the vacuum of space

a)

electromagnetic

b)

mechanical

84.

This wave requires a medium (solid, liquid or gas) to travel through.

a)

electromagnetic

b)

mechanical

85.

This wave travels fastest in solids and slowest in gases

a)

electromagnetic

b)

mechanical

86.

This wave includes ocean and sound waves

a)

electromagnetic

b)

mechanical

87.

All waves are transverse

a)

electromagnetic

b)

mechanical

88.

This wave carries energy

a)

electromagnetic

b)

mechanical

89.

Which of the following measures "how many times" something happens in a fixed amount of time?

a)

frequency

b)

period

c)

wavelength

d)

amplitude

90.

The unit of wave speed or velocity

a)

meters

b)

m/s

c)

seconds

d)

hertz

91.
A sound wave has a λ of 170m. The speed of sound travels at 343 m/s. What is the frequency?
a)
0.5 Hz
b)
2.01 Hz
c)
513 Hz
d)
58.310 Hz
92.

A sound wave has a velocity of 340m/s and a frequency of 256Hz. Calculate the wave's wavelength.

a)

1.33m

b)

0.75m

c)

87,040m

d)

340m

93.
A wave has a wavelength of 2 meters and a frequency of 1.5 Hz.What is its speed?
a)
0.75 m/s
b)
3 m/s
c)
1.33 m/s
d)
3.5 m/s
94.

What is the correct equation to use to calculate wave speed?

a)

wave speed = frequency x wavelength

b)

wave speed = frequency / wavelength

c)

wave speed = wavelength / frequency

95.

wave speed (velocity) = 600 m/s

Wavelength= 2.0m

Frequency= _________

a)

300 hertz

b)

.0033 hertz

c)

3000 hertz

96.

wave speed (velocity) = 12 m/s

Wavelength= __________

Frequency= 600 hertz

a)

7200 m

b)

0.02 m

c)

612 m

97.
1.  A wave has frequency of 5 Hz and a speed of 25 m/s. What is the wavelength of the wave?
a)
25 m
b)
125 m
c)
5 m
d)
25 m/s
98.
A wave has wavelength of 10 m and a speed of 340 m/s. What is the frequency of the wave?
a)
34 m/s
b)
3400 Hz
c)
3.4 Hz 
d)
34 Hz
99.
1.  A wave has frequency of 50 Hz and a wavelength of 10 m. What is the speed of the wave?
a)
500 m/s
b)
50 m/s
c)
5 m/s
d)
0.5 m/s
100.

A wave has a frequency of 14 Hz and a wavelength of 3 m. At what speed will this wave travel?

a)

42 m/s

b)

42 m

c)

4.67 m/s

d)

4.67 Hz

101.

A wave has a frequency of 540 Hz and is traveling at 340 m/s. What is its wavelength?

a)

1.59 m

b)

0.63 m

c)

183600 m

d)

91800 m

102.

What equation do I use to find wave speed if I know frequency and wavelength?

a)

v=f/λ

b)

v=fλ

c)

f=vλ

d)

λ=f/v

103.

What is the speed of a wave with a wavelength of 20m and a frequency of 3 Hz?

a)

60 m/s

b)

6.67 m/s

c)

6 m/s

d)

0.15 m/s

104.

What is the frequency of a wave with a wavelength of 100m and a speed of 300m/s?

a)

3 Hz

b)

3 m/s

c)

30,000 m/s

d)

30,000 Hz

105.

What is the speed of a wave with a frequency of 12 Hz and a wavelength of 2m?

a)

6 m/s

b)

24 m/s

c)

3 m/s

d)

4 m/s

106.

What is the equation for calculating wavelength if I know frequency and wave speed?

a)

λ=fv

b)

λ=v/f

c)

λ=f/v

d)

λ=f-v