Halliday/Resnick/Walker Fundamentals of Physics 8th edition

1
Halliday/Resnick/WalkerFundamentals of Physics
8th edition

• Classroom Response System Questions

Chapter 16 Waves I
Reading Quiz Questions
2
16.2.1. According to the text, waves are of three
main types. Which of the following choices
correctly lists these three main types? a)
mechanical, sound, and light waves b)
mechanical, electromagnetic, and matter waves c)
transverse, sound, and matter waves d)
longitudinal, electromagnetic, and sound
waves e) simple harmonic, light, and matter
waves
3
16.2.1. According to the text, waves are of three
main types. Which of the following choices
correctly lists these three main types? a)
mechanical, sound, and light waves b)
mechanical, electromagnetic, and matter waves c)
transverse, sound, and matter waves d)
longitudinal, electromagnetic, and sound
waves e) simple harmonic, light, and matter
waves
4
16.2.2. What type of waves are composed of
electrons, protons, and other fundamental
particles? a) electromagnetic b)
longitudinal c) nuclear resonant d)
matter e) nanotrophic
5
16.2.2. What type of waves are composed of
electrons, protons, and other fundamental
particles? a) electromagnetic b)
longitudinal c) nuclear resonant d)
matter e) nanotrophic
6
16.3.1. Which one of the following types of waves
is purely longitudinal? a) light traveling
through vacuum b) waves on a plucked guitar
string c) radio waves traveling through air d)
sound waves emitted from a speaker e) surface
waves on the surface of a shallow pond
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16.3.1. Which one of the following types of waves
is purely longitudinal? a) light traveling
through vacuum b) waves on a plucked guitar
string c) radio waves traveling through air d)
sound waves emitted from a speaker e) surface
waves on the surface of a shallow pond
8
16.3.2. Which one of the following statements
concerning transverse waves is true? a) The
direction of the disturbance is parallel to the
direction of travel. b) The direction of the
disturbance is perpendicular to the direction of
travel. c) A sound wave is an example of a
transverse wave. d) Transverse waves are not
periodic waves. e) Transverse waves always
travel at the speed of light.
9
16.3.2. Which one of the following statements
concerning transverse waves is true? a) The
direction of the disturbance is parallel to the
direction of travel. b) The direction of the
disturbance is perpendicular to the direction of
travel. c) A sound wave is an example of a
transverse wave. d) Transverse waves are not
periodic waves. e) Transverse waves always
travel at the speed of light.
10
16.3.3. A sound wave is an example of what type
of wave? a) longitudinal wave b)
electromagnetic wave c) matter wave d)
transverse wave e) seismic wave
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16.3.3. A sound wave is an example of what type
of wave? a) longitudinal wave b)
electromagnetic wave c) matter wave d)
transverse wave e) seismic wave
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16.4.1. Which one of the following expressions
determines the angular wave number? a) b) c)
d) e)
13
16.4.1. Which one of the following expressions
determines the angular wave number? a) b) c)
d) e)
14
16.4.2. The graph shows the vertical displacement
as a function of time at one location in a medium
through which a wave is traveling. What is the
amplitude of the wave? a) 1 m b) 2 m c) 4
m d) 6 m e) 8 m
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16.4.2. The graph shows the vertical displacement
as a function of time at one location in a medium
through which a wave is traveling. What is the
amplitude of the wave? a) 1 m b) 2 m c) 4
m d) 6 m e) 8 m
16
16.4.3. The graph shows the vertical displacement
as a function of time at one location in a medium
through which a wave is traveling. What is the
period of the wave? a) 0.5 s b) 1.0 s c)
1.5 s d) 2.0 s e) 4.0 s
17
16.4.3. The graph shows the vertical displacement
as a function of time at one location in a medium
through which a wave is traveling. What is the
period of the wave? a) 0.5 s b) 1.0 s c)
1.5 s d) 2.0 s e) 4.0 s
18
16.5.1. Which one of the following factors is
important in determining the speed of waves on a
string? a) amplitude b) frequency c) length
of the string d) mass per unit length e)
speed of the particles that compose the string
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16.5.1. Which one of the following factors is
important in determining the speed of waves on a
string? a) amplitude b) frequency c) length
of the string d) mass per unit length e)
speed of the particles that compose the string
20
16.5.2. Consider the three waves described by the
equations below. Which wave(s) is moving in the
negative x direction? a) A only b) B
only c) C only d) A and B e) B and C
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16.5.2. Consider the three waves described by the
equations below. Which wave(s) is moving in the
negative x direction? a) A only b) B
only c) C only d) A and B e) B and C
22
16.5.3. Which one of the following statements
concerning the equations used to describe waves
is false? a) The equation assumes that y 0 m
and x 0 m at time t 0 s. b) When a
calculator is used to calculate the sine
function, it must be set in radian mode. c) The
wave equations may be used to describe both
longitudinal and transverse waves. d) The
equation includes the amplitude, frequency, and
wavelength of the waves. e) The term (kx ? ?t)
is called the group velocity of the wave.
23
16.5.3. Which one of the following statements
concerning the equations used to describe waves
is false? a) The equation assumes that y 0 m
and x 0 m at time t 0 s. b) When a
calculator is used to calculate the sine
function, it must be set in radian mode. c) The
wave equations may be used to describe both
longitudinal and transverse waves. d) The
equation includes the amplitude, frequency, and
wavelength of the waves. e) The term (kx ? ?t)
is called the group velocity of the wave.
24
16.6.1. A wave moves at a constant speed along a
string. Which one of the following statements is
false concerning the motion of particles in the
string? a) The particle speed is constant. b)
The particle speed depends on the amplitude of
the periodic motion of the source. c) The
particle speed is independent of the tension and
linear density of the string. d) The particle
speed is not the same as the wave speed. e) The
particle speed depends on the frequency of the
periodic motion of the source.
25
16.6.1. A wave moves at a constant speed along a
string. Which one of the following statements is
false concerning the motion of particles in the
string? a) The particle speed is constant. b)
The particle speed depends on the amplitude of
the periodic motion of the source. c) The
particle speed is independent of the tension and
linear density of the string. d) The particle
speed is not the same as the wave speed. e) The
particle speed depends on the frequency of the
periodic motion of the source.
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16.6.2. Which one of the following statements
concerning waves is false? a) A wave carries
energy from one place to another. b) A wave is
a disturbance that travels from one place to
another. c) The disturbance of particles of a
medium may be in a direction that is
perpendicular to the direction the wave is
traveling. d) Sound waves are purely
longitudinal waves. e) A wave carries particles
of its medium from one place to another.
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16.6.2. Which one of the following statements
concerning waves is false? a) A wave carries
energy from one place to another. b) A wave is
a disturbance that travels from one place to
another. c) The disturbance of particles of a
medium may be in a direction that is
perpendicular to the direction the wave is
traveling. d) Sound waves are purely
longitudinal waves. e) A wave carries particles
of its medium from one place to another.
28
16.6.3. Which of the following properties of a
wave on a string do not change when the tension
of a string is increased? a) frequency b)
average transmitted power c) speed of the
wave d) first harmonic frequency e) all of
the above will change
29
16.6.3. Which of the following properties of a
wave on a string do not change when the tension
of a string is increased? a) frequency b)
average transmitted power c) speed of the
wave d) first harmonic frequency e) all of
the above will change
30
16.6.4. A piano is tuned by tightening or loosing
the piano wires. When the wires are tightened,
how is speed of the waves on the wire affected,
if at all? a) The speed is increased. b) The
speed is reduced. c) The speed remains the
same.
31
16.6.4. A piano is tuned by tightening or loosing
the piano wires. When the wires are tightened,
how is speed of the waves on the wire affected,
if at all? a) The speed is increased. b) The
speed is reduced. c) The speed remains the
same.
32
16.6.5. A piano is tuned by tightening or loosing
the piano wires. When the wires are tightened,
how is frequency of the waves on the wire
affected, if at all? a) The frequency is
increased. b) The frequency is reduced. c)
The frequency remains the same.
33
16.6.5. A piano is tuned by tightening or loosing
the piano wires. When the wires are tightened,
how is frequency of the waves on the wire
affected, if at all? a) The frequency is
increased. b) The frequency is reduced. c)
The frequency remains the same.
34
16.9.1. When two or more waves are present
simultaneously at the same place, the resultant
disturbance is the sum of the disturbances from
the individual waves. What principle or law
makes this statement? a) Principle of Phase
Construction b) Principle of Linear
Superposition c) Law of Cosines d) Huygens
Principle e) Law of Overlapping Waves
35
16.9.1. When two or more waves are present
simultaneously at the same place, the resultant
disturbance is the sum of the disturbances from
the individual waves. What principle or law
makes this statement? a) Principle of Phase
Construction b) Principle of Linear
Superposition c) Law of Cosines d) Huygens
Principle e) Law of Overlapping Waves
36
16.9.2. Complete the following sentence The
Principle of Linear Superposition may a) not be
applied to longitudinal waves. b) not be
applied to transverse waves. c) not be applied
to electromagnetic waves. d) be applied to all
types waves. e) be applied only when a wave
reflects from a surface.
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16.9.2. Complete the following sentence The
Principle of Linear Superposition may a) not be
applied to longitudinal waves. b) not be
applied to transverse waves. c) not be applied
to electromagnetic waves. d) be applied to all
types waves. e) be applied only when a wave
reflects from a surface.
38
16.9.3. According to the Principle of
Superposition, how are two waves combined to
produce a resultant wave? a) The velocity
vectors are added together. b) The amplitudes
of the two waves are added algebraically. c)
The amplitudes of the two waves are multiplied
together. d) Waves are always independent of
each other and cannot be combined.
39
16.9.3. According to the Principle of
Superposition, how are two waves combined to
produce a resultant wave? a) The velocity
vectors are added together. b) The amplitudes
of the two waves are added algebraically. c)
The amplitudes of the two waves are multiplied
together. d) Waves are always independent of
each other and cannot be combined.
40
16.9.4. Two waves traveling in the same direction
produce a resultant wave traveling in the same
direction if which of the following conditions
are met? a) The amplitudes of the two waves are
identical. b) The wavelengths of the two waves
are identical. c) The velocities of the two
waves are identical. d) Both the amplitudes and
wavelengths for the two waves are identical. e)
Both waves can be described as sine waves.
41
16.9.4. Two waves traveling in the same direction
produce a resultant wave traveling in the same
direction if which of the following conditions
are met? a) The amplitudes of the two waves are
identical. b) The wavelengths of the two waves
are identical. c) The velocities of the two
waves are identical. d) Both the amplitudes and
wavelengths for the two waves are identical. e)
Both waves can be described as sine waves.
42
16.10.1. Wave A has an amplitude of 0.5 m and
wave B has an amplitude of 0.6 m. When waves A
and B travel toward each other, the observed wave
amplitude at a certain location and particular
time is 0.9 m. Which of the following statements
concerning this observation is true? a) This
was an observation in error, since the
superposition of these two waves cannot result in
an amplitude larger than 0.6 m. b) This was
an observation in error, since the superposition
of two these two waves will always result in an
amplitude of 1.1 m. c) This is an example of
the superposition of two waves resulting in
exactly in phase interference. d) This is an
example of the superposition of two waves
resulting in destructive interference. e) This
is an example of the superposition of two waves
resulting in constructive interference.
43
16.10.1. Wave A has an amplitude of 0.5 m and
wave B has an amplitude of 0.6 m. When waves A
and B travel toward each other, the observed wave
amplitude at a certain location and particular
time is 0.9 m. Which of the following statements
concerning this observation is true? a) This
was an observation in error, since the
superposition of these two waves cannot result in
an amplitude larger than 0.6 m. b) This was
an observation in error, since the superposition
of two these two waves will always result in an
amplitude of 1.1 m. c) This is an example of
the superposition of two waves resulting in
exactly in phase interference. d) This is an
example of the superposition of two waves
resulting in destructive interference. e) This
is an example of the superposition of two waves
resulting in constructive interference.
44
16.11.1. Complete the following sentence Phasors
are used to combine waves that have differing a)
amplitudes b) wave number c) wavelength d)
frequency e) nodes
45
16.11.1. Complete the following sentence Phasors
are used to combine waves that have differing a)
amplitudes b) wave number c) wavelength d)
frequency e) nodes
46
16.11.2. What will occur in the superposition of
two identical sine waves if they are shifted by
(5/2)? relative to one another? a) The waves
will interfere with each other destructively. b)
The waves will interfere with each other
constructively. c) The waves will travel in
opposite directions. d) One wave will travel
faster than the other, but in the same
direction. e) Since the waves are out of phase,
they do not interfere with each other.
47
16.11.2. What will occur in the superposition of
two identical sine waves if they are shifted by
(5/2)? relative to one another? a) The waves
will interfere with each other destructively. b)
The waves will interfere with each other
constructively. c) The waves will travel in
opposite directions. d) One wave will travel
faster than the other, but in the same
direction. e) Since the waves are out of phase,
they do not interfere with each other.
48
16.12.1. A string has one end attached to a wall
and the other end attached to a motor that moves
the end up and down in simple harmonic motion.
The frequency of the motor is varied until a
transverse standing wave is produced on the
string that has four nodes. Which of the
following statements concerning this situation is
false? a) This standing wave has three
antinodes. b) This standing wave is produced by
linear superposition of identical waves traveling
in opposite directions. c) This standing wave
represents the third overtone. d) This standing
wave represents the third harmonic. e) This
standing wave occurs at a frequency that is 1.5
times greater than the frequency where a standing
wave with three nodes is observed.
49
16.12.1. A string has one end attached to a wall
and the other end attached to a motor that moves
the end up and down in simple harmonic motion.
The frequency of the motor is varied until a
transverse standing wave is produced on the
string that has four nodes. Which of the
following statements concerning this situation is
false? a) This standing wave has three
antinodes. b) This standing wave is produced by
linear superposition of identical waves traveling
in opposite directions. c) This standing wave
represents the third overtone. d) This standing
wave represents the third harmonic. e) This
standing wave occurs at a frequency that is 1.5
times greater than the frequency where a standing
wave with three nodes is observed.
50
16.12.2. What is the distance between two
successive antinodes of a standing wave? a)
one-forth wavelength b) one-half wavelength c)
one wavelength d) two wavelengths e) four
wavelengths
51
16.12.2. What is the distance between two
successive antinodes of a standing wave? a)
one-forth wavelength b) one-half wavelength c)
one wavelength d) two wavelengths e) four
wavelengths
52
16.12.3. What occurs when a wave traveling along
a taut string reaches a fixed end where it has
been tied to a wall? a) The wave reflects back
with the same amplitude, but with opposite
sign. b) The wave reflects back with the same
amplitude and sign. c) The wave is absorbed by
the wall. d) The wave reflects back with
smaller amplitude and same sign. e) The wave
reflects back with larger amplitude, but with
opposite sign.
53
16.12.3. What occurs when a wave traveling along
a taut string reaches a fixed end where it has
been tied to a wall? a) The wave reflects back
with the same amplitude, but with opposite
sign. b) The wave reflects back with the same
amplitude and sign. c) The wave is absorbed by
the wall. d) The wave reflects back with
smaller amplitude and same sign. e) The wave
reflects back with larger amplitude, but with
opposite sign.
54
16.12.4. A standing wave is set up on a taut
string. Which of the following are not observed
to move along the string? a) nodes b)
antinodes c) nodes and antinodes d) Both
nodes and antinodes can be observed moving along
the string. e) Nodes and antinodes can be
observed switching positions at the natural
frequency of the string.
55
16.12.4. A standing wave is set up on a taut
string. Which of the following are not observed
to move along the string? a) nodes b)
antinodes c) nodes and antinodes d) Both
nodes and antinodes can be observed moving along
the string. e) Nodes and antinodes can be
observed switching positions at the natural
frequency of the string.
56
16.13.1. Which one of the following quantities is
not a factor in determining the natural frequency
of a string fixed at its two ends? a)
length b) mass c) tension d) acceleration
due to gravity
57
16.13.1. Which one of the following quantities is
not a factor in determining the natural frequency
of a string fixed at its two ends? a)
length b) mass c) tension d) acceleration
due to gravity