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waves revision

Total questions: 128

Worksheet time: 3hrs 12mins

Name
Class
Date
1.
As wavelength decreases in the electromagnetic spectrum the frequency _____. 
a)
decreases
b)
stays the same
c)
increases
d)
doubles
2.
What happens when light hits a mirror?
a)
it makes a color
b)
it reflects
c)
it makes a rainbow
d)
it passes through
3.
All waves carry
a)
energy
b)
light 
c)
matter
d)
particles
4.
The combination of two or more waves that result in a single wave
a)
A. diffraction
b)
B. resonance
c)
C. reflection
d)
D. interference
5.
When the crests of one wave overlap the crests of another wave or waves, this occurs.
a)
A. diffraction
b)
B. destructive interference
c)
C. constructive interference
d)
D. resonant frequencies
6.
We can see objects because of_______
a)
reflection
b)
refraction
c)
transmission
d)
diffraction
7.
What is this called?
a)
refraction
b)
reflection
c)
reconstroction
d)
retraction
8.
The velocity of light in vacuum is _______ m/s
a)
3x108
b)
3x1012
c)
3x106
d)
3x1010
9.
constructive interference occurs when two or more waves combine to produce a smaller wave 
a)
true
b)
false
10.
When two waves come together to form one larger wave, they are undergoing what type of interference?
a)
Constructive Interference
b)
Destructive Interference
c)
Noise Interference
11.
Waves combine to produce a smaller or zero-amplitude wave in a process called
a)
reflection
b)
refraction
c)
destructive interference
d)
constructive interference
12.
What property of the wave is represented by the letter "B"?
a)
amplitude
b)
crest
c)
trough
d)
wavelength
13.
Which letter(s) represent the trough of the wave?
a)
A
b)
B & D
c)
D
d)
C & G
14.
Which letter(s) represent the crest of the wave?
a)
A
b)
B & D
c)
B & F
d)
F
15.
Which wave in the diagram has the greatest frequency?
a)
1
b)
2
c)
3
d)
4
16.
This image represents what kind of wave behavior?
a)
Diffraction
b)
Reflection
c)
Refraction
d)
Resonance
17.
A reflected sound wave is an...
a)
speed of sound
b)
resonance
c)
loudness
d)
echo
18.
Measure of the amount of energy a wave carries is ....
a)
echo
b)
natural frequency
c)
resonance
d)
amplitude
19.
What kind of wave is this?
a)
Transverse
b)
Longitudinal
20.
What kind of wave is this?
a)
Transverse Wave
b)
Longitudinal Wave
21.
A sound wave moving through the air is what kind of wave?
a)
a Longitudinal
b)
water wave
c)
a transverse wave
d)
hand wave
22.
What kind of wave is this?
a)
Transverse
b)
Longitudinal
c)
Compression
d)
Rarefraction
23.
Which direction does a Transverse wave travel
a)
parallel
b)
perpendicular
24.
Which direction does a compressional wave travel
a)
parallel
b)
perpendicular
25.
a)
Diffraction
b)
Interference
26.
The highest point on a Transverse wave is:
a)
the crest
b)
the trough
c)
the top
d)
the coast 
27.
The lowest point on a Transverse wave is the:
a)
Amplitude
b)
Crest
c)
Trough
d)
Wavelength
28.
The number of wavelengths that pass a point each per second is:
a)
frequency
b)
period
c)
longitudinal 
d)
transverse wave 
29.
The type of waves that requires matter to travel through:
a)
Mechanical Waves
b)
Electromagnetic Waves
30.
A Repeated disturbance that carries energy through matter or space
a)
crest
b)
energy
c)
wave
d)
trough
31.
What kind of wave is this?
a)
Surface Wave
b)
Transverse Wave
c)
Compressional Wave
d)
Electromagnetic Wave
32.
What is A in this image?
a)
amplitude
b)
compression
c)
rarefaction
d)
trough 
33.
What is B in this image?
a)
wavelength
b)
rarefaction
c)
frequency
d)
amplitude
34.
What property of this wave is represented by the letter "A"
a)
amplitude
b)
crest
c)
trough
d)
wavelength
35.
Which statement best explains the difference between longitudinal and transverse waves?
a)
Longitudinal waves have troughs, while transverse waves have crests.
b)
Longitudinal waves produce energy, while transverse waves consume energy.
c)
Particles in longitudinal waves travel towards a force, while particles in transverse wave travel away from a force.
d)
Particles in longitudinal waves travel in the direction of the wave, while particles in transverse waves travel perpendicular to the wave.
36.
The type of wave that can travel through either matter or empty space:
a)
Mechanical Waves
b)
Electromagnetic Waves
37.
The bending of a wave around a barrier is .....
a)
comression
b)
waves
c)
diffraction
d)
sonar
38.
How has resonance been responsible for collapsing bridges?
a)
resonace has led to earthquakes that tear down bridges
b)
resonance in bridges causes them to begin to vibrate and eventually collapse.
c)
resonance cannot tear down a bridge
d)
resonance causes the bridge to wear away over many years, and eventially fall
39.

The speed of propagation of a transverse wave on a 2.0-m long string fixed at both ends is 200 m/s. Which one of the following is the frequency of this string?

a)

25 Hz

b)

50 Hz

c)

100 Hz

d)

200 Hz

40.
Which wave in the diagram has the greatest wavelength?
a)
1
b)
2
c)
3
d)
4
41.
When a wave bends as it passes through at an angle from one medium to another.(example: pencil in a glass of water-)
a)
medium
b)
refraction
c)
reflection
d)
interference
42.
Which of the figures represents reflection?
a)
A
b)
B
c)
C
d)
D
43.
Which of the following represents refraction?
a)
A
b)
B
c)
C
d)
D
44.
In a standing wave, destructive interference creates points of zero amplitude called nodes. Which letters represent this.
a)
A,E,F
b)
B,D,F
c)
B,C,D
d)
A,C,F
45.
In a standing wave, constructive interference creates larger amplitudes.  The points of maximum amplitude are antinodes.  The letters for these are?
a)
B,C,D
b)
A,E,F
c)
A,C,F
d)
B,D,E
46.
Resonance occurs when
a)
an object is forced to vibrate at its natural frequency.
b)
sound changes speed in going from one medium to another.
c)
the amplitude of a wave is amplified.
d)
sound makes multiple reflections
47.

What does pitch depend on?

a)

amplitude

b)

frequency

c)

intensity

d)

volume of sound

48.

What is the speed (velocity) of a sound wave with frequency 2000 Hz and wavelength 0.4 m?

a)

5×103 m/s

b)

3.2×102 m/s

c)

2×10−4 m/s

d)

8×102 m/s

49.

Criteria A: Explain with your owns words what is a wave

4 lines
50.

Write the parts of the wave.

A.

B.

C.

D.

4 lines
51.

Which wave has a higher amplitude

a)

The wave on top

b)

The wave on bottom

c)

They both have the same amplitude

d)

Anyone

52.

Electromagnetic waves are different from mechanical waves because:

a)

Electromagnetic waves does not requieres a medium to travel

b)

Electromagnetic waves only travel through a medium

c)

Electromagnetic waves travel slower than mechanical waves

d)

Eectromagnetic waves are not emitted from the Sun

53.

Longitudinal waves are...

a)

Move up and down and perpendicular

b)

Move back and forth and parallel

c)

Use both transfering the energy

54.

Frequency of a wave is measured in units called

a)

Joules (J)

b)

Newtons (N)

c)

Hertz (Hz)

d)

Seconds

55.

Write 3 differences between Transversal waves and Longitudinal waves.

4 lines
56.

Criteria D: Write about how do you think waves can help us to communicate with each others in this moments with the Covid - 19.

4 lines
57.

What is the difference between Period and frequency? Explain it with an example.

4 lines
58.

Which type of wave causes the medium to vibrate in a direction parallel to the waves motion?

a)

transverse

b)

longitudinal

c)

surface

d)

mechanical

59.

Which type of waves causes the medium to vibrate perpendicular to the direction of the wave?

a)

transverse

b)

longitudinal

c)

surface

d)

mechanical

60.

Which object would be best to model a longitudinal wave?

a)

rope

b)

bridge

c)

slinky

d)

water bottles

61.

Amplitude is a measurement of the

a)

speed of the wave

b)

pitch

c)

distance of wavelength

d)

amount of energy the wave has

62.

Sound is what kind of wave?

a)

transverse

b)

longitudinal

c)

surface

d)

electromagnetic

63.

What kind of wave is pictured?

a)

transverse

b)

longitudinal

c)

surface

d)

sound

64.

The maximum distance from the rest position is called

a)

wavelength

b)

amplitude

c)

frequency

d)

speed

65.

What is the standard unit of frequency?

a)

m/s

b)

Hz

c)

m

d)

lambda

66.

The material through which a wave travels is called the

a)

medium

b)

vacuum

c)

stuff

d)

contingent

67.

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

a)

amplitude

b)

wavelength

c)

frequency

d)

period

68.

The densest part of a longitudinal wave is called a

a)

compression

b)

rarefaction

c)

amplitude

d)

transform

69.

The smaller the wavelength the __________ the energy

a)

lower

b)

higher

70.

Which of the following types of waves require a medium?

a)

light

b)

sound

c)

x ray

d)

radio

71.

What kind of wave does not require a medium to travel?

a)

mechanical

b)

electromagnetic

c)

longitudinal

d)

seismic

72.

What part of a longitudinal wave is "spread apart"

a)

compression

b)

rarefaction

c)

amplitude

d)

frequency

73.

What color light is 5 x 10^-7

a)

orange

b)

yellow

c)

green

d)

blue

74.

Which wave has the highest energy of those listed?

a)

radio

b)

uv

c)

infrared

d)

visible light

75.

Which wave has the largest wavelength?

a)

x ray

b)

visible light

c)

radio

d)

gamma ray

76.

The color of light is determined by the

a)

wavelength

b)

speed

c)

amplitude

d)

crest

77.

The color of an object is due to

a)

the wavelength it absorbs

b)

the wavelength it reflects

c)

the speed it absorbs

d)

the medium of the frequency

78.

The frequency of a sound wave determines its

a)

volume

b)

pitch

c)

speed

d)

refraction

79.

Electromagnetic waves travel

a)

at the speed of light

b)

only in air

c)

fastest in solids

d)

only if they have a medium

80.

Name the missing part of the wave

a)

Amplitude

b)

Wavelength

81.

Name the missing part of the wave ....?

a)

Wavelength

b)

Amplitude

82.

This type of wave is called a...

a)

Longitudinal wave, because it's particle motion is parallel to direction of wave travel

b)

Transverse wave, because it's particle motion is perpendicular to the direction of wave travel

83.

This type of wave is called a...

a)

Longitudinal wave, because it's particle motion is parallel to direction of wave travel

b)

Transverse wave, because it's particle motion is perpendicular to the direction of wave travel

84.

Which of the following travelling waves has a higher frequency?

a)

A

b)

B

c)

C

85.

What can you conclude about the relationship between wavelength and frequency by observing them?

a)

Wavelength and frequency are unrelated

b)

When wavelength increases, the frequency decreases.

c)

When wavelength increases, the frequency also increases.

86.

​How could we represent the wave speed using wavelength λ and period T?

a)

v=λTv=\frac{\lambda}{T}  

b)

v=Tλv=\frac{T}{\lambda}  

c)

v=λ⋅Tv=\lambda\cdot T  

87.

Say that you observe 4 ripples per second reaching the edge of the pond and that the distance between the crest of the ripples are 7cm.

​

​Can you calculate the speed of the ripples caused by the acorn? Remember  v=λ⋅fv=\lambda\cdot f  

a)

28 cm/sec

b)

1.75 cm/sec

c)

40 cm/sec

88.

Human ears can hear between 20 Hz and 20,000 Hz. But animals can hear frequencies higher and lower than these. If a baby mouse makes sound wave travelling at 343 m/s and with a wavelength of 0.00858 m, can you hear it?

a)

Yes

b)

No

89.

Which of the following statements about waves is correct?

a)

Waves can be produced on ropes.

b)

Waves are a way of transferring energy from place to place.

c)

There are two types of wave: longitudinal and transverse.

d)

All of the above.

90.

Which of the following is not a property of all waves?

a)

echoes

b)

refraction

c)

the Doppler effect

d)

polarisation

91.

Complete the sentence: The amplitude of a wave is

a)

the time it takes for one complete oscillation of the wave.

b)

the number of waves per second.

c)

the maximum displacement from the rest position.

d)

the distance between two successive points on a wave.

92.

Complete the sentence: The wavelength of a wave is

a)

the time it takes for one complete oscillation of the wave.

b)

the number of waves per second.

c)

the maximum displacement from the rest position.

d)

the distance between two successive points on a wave.

93.

Which of the following statements best describes a transverse wave?

a)

a wave that vibrates at right angles to the direction of energy transfer

b)

a wave that vibrates parallel to the direction of energy transfer

c)

a sound wave

d)

a wave that crosses other wavefronts

94.

Which of the following statements best describes a longitudinal wave?

a)

a wave that vibrates at right angles to the direction of energy transfer

b)

a wave that vibrates parallel to the direction of energy transfer

c)

a light wave

d)

a wave that crosses other wavefronts

95.

Which of the following is a type of longitudinal wave?

a)

microwave

b)

radio wave

c)

sound wave

d)

Mexican wave

96.

Which of the following is the unit of frequency?

a)

m/s

b)

s

c)

Hz

d)

m

97.

A wave has a time period of 0.2 s. What is the frequency of the wave?

a)

0.2 Hz

b)

5 Hz

c)

0.2 s

d)

5 s

98.

A cyclist rotates the pedals of his bike twice in 1 second. What is the frequency at which he is turning?

a)

2 Hz

b)

1 Hz

c)

0.5 Hz

d)

20 Hz

99.

The wave machine at a swimming pool oscillates at a frequency of 0.25 Hz. What is the time period of the wave?

a)

25 seconds

b)

0.25 seconds

c)

4 seconds

d)

40 seconds

100.

Which equation correctly links wave speed, frequency and wavelength?

a)

v = f × λ

b)

v = λ/f

c)

v = f × T

d)

v × λ = f

101.

Wave speed is measured in which unit?

a)

m

b)

Hz

c)

m/s

d)

s

102.

A tuning fork creates a sound wave with a frequency of 250 Hz. The wavelength of the wave is 1.36 m. What is the speed of sound?

a)

0.005 m/s

b)

340 m/s

c)

184 m/s

d)

184 s

103.

A dolphin sends out a call to another dolphin at a frequency of 130 Hz. The speed of sound in water is 1400 m/s. What is the wavelength of the wave?

a)

11 m

b)

0.1 m

c)

182 m

d)

101 m

104.

A sailor measures 5 waves passing her boat in 10 seconds. Each wave has a wavelength of 2 m. What is the speed of the wave?

a)

1 m/s

b)

10 m/s

c)

4 m/s

d)

0.5 m/s

105.

Which of the following statements best describes the law of reflection?

a)

The angle of incidence is greater than the angle of reflection.

b)

The angle of reflection is greater than the angle of incidence.

c)

The angle of incidence is equal to the angle of reflection.

d)

None of the above.

106.

Complete the statement: The refraction of light occurs because

a)

The light rebounds off the boundary surface.

b)

The light changes speed as it enters another medium.

c)

The light is reflected by the surface of the water.

d)

None of the above.

107.

An ambulance is driving quickly towards Jack with its siren on. How will the siren sound to Jack compared to if the ambulance was stationary?

a)

The siren has a lower pitch.

b)

The siren has a higher pitch.

c)

The siren sounds the same.

d)

The siren will sound the same, just louder.

108.

What is the name given to the apparent shift in frequency when a source of waves is moving?

a)

refraction

b)

diffraction

c)

reflection

d)

the Doppler effect

109.

Do waves carry energy or matter?

a)

Energy

b)

Matter

c)

I'm not sure

110.

What is a "medium" in terms of waves ??

a)

A size between small and large

b)

The material or object a wave travels through

c)

How tall the wave is

d)

How fast the wave is

111.

In an ocean wave, what is the medium?

a)

The boats as the move across the water

b)

the currents underneath the ocean surface

c)

the ocean water is the medium

d)

Sunlight reflecting off the ocean surface

112.

If you shake a rope to make a wave, what would be the medium of this wave?

a)

Your hand moving up and down

b)

The air surrounding the rope

c)

the rope itself

d)

there is no medium in this wave

113.

Which of the following can act as a medium?

a)

Solids

b)

Liquids

c)

Gases

d)

All of the above

114.

What is #2 pointing at on the diagram?

a)

Wavelength

b)

Amplitude

c)

Trough

d)

Crest

115.

What is #3 pointing at on the diagram?

a)

Interference

b)

Trough

c)

Wavelength

d)

Amplitude

116.

Do all waves always have the same wavelength?

a)

Yes

b)

No

117.

As frequency increases from low to high, does energy increase with it?

a)

YES - high frequency = high energy

b)

NO - frequency and energy are not related

118.

Does this wave demonstrate a TRANSVERSE WAVE or a COMPRESSIONAL/LONGITUDINAL WAVE?

(Look at particle motion compared to energy motion!)

a)

Transverse Wave

b)

Compressional/Longitudinal Wave

119.

Does this wave demonstrate a TRANSVERSE WAVE or a COMPRESSIONAL/LONGITUDINAL WAVE?

(Look at particle motion compared to energy motion!)

a)

Transverse Wave

b)

Compressional/Longitudinal Wave

120.

Which wave type does the medium move perpendicular (up/down) as the wave moves through it from left to right?

a)

Compressional wave

b)

Transverse wave

c)

Electromagnetic wave

121.

Which wave type ALWAYS needs a medium?

a)

Mechanical wave

b)

Electromagnetic wave

c)

Neither wave type needs a medium

122.

Does a short wavelength correlate to low or high frequency?

a)

shorter wavelength = higher frequency

b)

shorter wavelength = lower frequency

c)

wavelength and frequency are NOT related

123.

Do light waves need a medium to travel through?

a)

NO

b)

YES

124.

Which wave # has the LOWEST frequency??

a)

Wave #1

b)

Wave #2

c)

Wave #3

d)

Wave #4

125.

Are sound waves transverse waves or longitudinal/compressional waves?

a)

Transverse waves

b)

Longitudinal/Compressional waves

126.

What kind of wave is pictured below?

a)

compressional wave

b)

transverse wave

c)

sound wave

d)

Longitudinal wave

127.
Which wave is pictured?
a)
Transverse
b)
Longitudinal
c)
Both
d)
Neither
128.

Which are properties of a mechanical wave? (select all that apply!)

a)

can be longitudinal or transverse

b)

can move through outer space

c)

must have matter to move

d)

carries energy

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