1618 - 1 - Page 1
Name: ____________________________________________
1)
A characteristic common to sound waves and light waves is
that they
A) travel in a vacuum
B) are transverse
2)
8)
C) are longitudinal
D) transfer energy
Diagram I shows a glass tube containing undisturbed air
molecules. Diagram II shows the same glass tube when a
wave passes through it.
A periodic wave travels through a rope, as shown in the
diagram below.
As the wave travels, what is transferred between points A
and B?
A)
B)
C)
D)
3)
neither mass nor energy
both mass and energy
energy, only
mass, only
Which type of wave produced the disturbance shown in
diagram II?
As the energy imparted to a mechanical wave increases, the
maximum displacement of the particles in the medium
A) remains the same
B) decreases
C) increases
4)
5)
C) wavelet
D) distortion
C) sound wave
D) x-ray
In which type of wave is the disturbance parallel to the
direction of wave travel?
A) torsional
B) circular
7)
The diagram below represents a segment of a periodic wave
traveling to the right in a steel spring.
Which is an example of a longitudinal wave?
A) gamma ray
B) water wave
6)
C) longitudinal
D) transverse
Questions 9 through 13 refer to the following:
A single vibratory disturbance which moves from point to
point in a material medium is known as a
A) phase
B) pulse
A) torsional
B) elliptical
C) longitudinal
D) transverse
9)
A) elliptical
B) longitudinal
As a longitudinal wave passes through a medium, the
particles of the medium move
A)
B)
C)
D)
perpendicular to the direction of wave travel
in circles
in ellipses
parallel to the direction of wave travel
What type of wave is illustrated by the diagram?
10)
What is the amplitude of the wave?
A) 0.2 m
B) 0.4 m
11)
C) 1.0 Hz
D) 2.5 Hz
Which two points on the wave are in phase?
A) A and D
B) C and I
13)
C) 2.5 m
D) 2.0 m
If a wave crest passes line XY every 0.40 second, the
frequency of the wave is
A) 0.4 Hz
B) 5.0 Hz
12)
C) transverse
D) torsional
C) C and H
D) B and E
What is the wavelength of the wave?
A) 0.4 m
B) 2.0 m
C) 2.5 m
D) 1.0 m
1618 - 1 - Page 2
14)
Wave motion in a medium transfers
A)
B)
C)
D)
18)
neither mass nor energy
both mass and energy
energy, only
mass, only
As shown in the diagram below, a transverse wave is
moving along a rope.
Questions 15 and 16 refer to the following:
The diagram below represents a vibrating string with a periodic
wave originating at A and moving to G, a distance of 6.0 meters.
In which direction will segment X move as the wave passes
through it?
A) down, only
B) down, then up
19)
15)
C) elliptical
D) longitudinal
As the wave moves toward G, point E on the string will
move
A)
B)
C)
D)
17)
A wave is generated in a rope which is represented by the
solid line in the diagram below. As the wave moves to the
right, point P on the rope is moving toward which position?
What type of wave is represented by the diagram?
A) transverse
B) torsional
16)
C) up, then down
D) up, only
A) A
to the left and then to the right
vertically down and then vertically up
diagonally up and then diagonally down
diagonally down and then diagonally up
20)
The diagram below shows a transverse water wave moving
in the direction shown by the velocity vector v.
21)
B) B
A)
C)
B)
D)
Whether or not a wave is longitudinal or transverse may be
determined by its ability to be
At the instant shown, a cork at point P on the water's
surface is moving toward
A) A
B) B
C) C
D) D
C) polarized
D) refracted
Which phenomenon does not occur when a sound wave
reaches the boundary between air and a steel block?
A) absorption
B) reflection
24)
C) polarized
D) diffracted
A sound wave can not be
A) reflected
B) diffracted
23)
D) D
A transverse wave moves to the right (‡‡ˆ) through a
medium. Which diagram best represents the motion of the
molecules of the medium due to the wave motion?
A) refracted
B) reflected
22)
C) C
C) polarization
D) refraction
In a vacuum, the wavelength of green light is 5 x 10-7 meter.
What is its frequency?
A) 2 x 10-15 Hz
B) 6 x 1014 Hz
C) 6 x 1015 Hz
D) 2 x 10-14 Hz
1618 - 1 - Page 3
25)
The diagram below shows a beam of light entering and
leaving a "black box."
28)
The number of water waves passing a given point each
second is the wave's
A) amplitude
B) frequency
29)
As a wave is refracted, which characteristic of the wave will
remain unchanged?
A) direction
B) wavelength
30)
C) frequency
D) velocity
What is the frequency of a wave if its period is 0.25 second?
A) 1.0 Hz
B) 12 Hz
31)
C) velocity
D) wavelength
C) 4.0 Hz
D) 0.25 Hz
The graph below represents the displacement of a point in a
medium as a function of time when a wave passes through
the medium.
The box most likely contains a
A) polarizer
B) prism
26)
What is the angle between the direction of propagation of a
transverse wave and the direction in which the amplitude of
the wave is measured?
A) 180D
B) 90D
27)
C) 45D
D) 0D
Light is to brightness as sound is to
A) speed
B) color
32)
C) double slit
D) converging lens
What is the frequency of the wave?
A) 4.0 Hz
B) 2.0 Hz
C) 0.25 Hz
D) 0.50 Hz
C) loudness
D) period
The diagram below shows a piston being moved back and forth to generate a wave. The piston produces a compression, C,
every 0.50 second.
The frequency of this wave is
A) 3.3 x 102 Hz
33)
B) 5.0 x 10-1 Hz
A wave traveling at 5.0 x 104 meters per second has a
wavelength of 2.5 x 101 meters. What is the frequency of
the wave?
A) 2.0 x 103 Hz
B) 5.0 x 103 Hz
C) 1.25 x 106 Hz
D) 5.0 x 10-4 Hz
C) 1.0 Hz
D) 2.0 Hz
1618 - 1 - Page 4
34)
Which graph best represents the relationship between the
frequency and period of a wave?
41)
What is the period of a periodic wave that has a frequency
of 60. hertz?
A) 3.3 x 102 s
B) 2.0 x 104 s
A)
42)
The frequency of a light wave is 5.0 x 1014 hertz. What is
the period of the wave?
A) 5.0 x 10-14 s
B) 6.0 x l07 s
43)
B)
C) 2.0 x 10-15 s
D) 1.7 x 106 s
What is the period of a wave with a frequency of 250 hertz?
A) 9.0 x 10-3 s
B) 2.5 x 10-3 s
44)
C) 3.0 x 10-3 s
D) 1.7 x 10-2 s
C) 1.2 x 10-3 s
D) 4.0 x 10-3 s
The diagram below represents a wave traveling in a uniform
medium. Which characteristic of the wave is constant?
C)
D)
A) wavelength
B) period
35)
As the period of a wave decreases, the wave's frequency
A) remains the same
B) decreases
C) increases
36)
45)
C) amplitude
D) frequency
Which distance on the diagram below identifies the
amplitude of the given wave?
As the frequency of a wave increases, the period of that
wave
A) decreases
B) remains the same
C) increases
37)
Two waves have the same frequency. Which wave
characteristic must also be identical for both waves?
A) intensity
B) phase
38)
A periodic wave with a frequency of 10 hertz would have a
period of
A) 0.1 s
B) 100 s
39)
C) 1 s
D) 10 s
Periodic waves are produced by a wave generator at the rate
of one wave every 0.50 second. The period of the wave is
A) 1.0 s
B) 0.25 s
40)
C) period
D) amplitude
C) 0.50 s
D) 2.0 s
What is the period of a wave with a frequency of 2.0 x 102
hertz?
A) 6.0 x 10-10 s
B) 1.5 x 106 s
C) 5.0 x 10-3 s
D) 2.0 x 10-3 s
A) AD
B) AB
C) AC
D) AE
1618 - 1 - Page 5
46)
The amplitude of the wave shown below is represented by
the distance between points
A) A and B
B) E and D
47)
49)
Which two wave representations in the diagram below have
the same amplitude?
C) A and D
D) A and C
A) A and B
B) B and D
In the diagram below, which wave has the largest
amplitude?
50)
If the frequency of a sound wave in air at STP remains
constant, its energy can be varied by changing its
A) period
B) wavelength
51)
A) A
48)
B) B
C) C
C) amplitude
D) speed
As the phase difference between two interfering waves
changes from 0D to 180D, the amplitude of the resultant
wave
A) decreases
B) remains the same
C) increases
D) D
The diagram below shows two waves traveling in the same
medium for the same length of time.
C) A and C
D) B and C
52)
Two points on a transverse wave that have the same
magnitude of displacement from equilibrium are in phase if
the points also have the
A) opposite direction of displacement and the opposite
direction of motion
B) opposite direction of displacement and the same
direction of motion
C) same direction of displacement and the opposite
direction of motion
D) same direction of displacement and the same direction
of motion
53)
A) polarized
B) in phase
The two waves have different
A) frequencies
B) amplitudes
Which term describes two points on a periodic wave that
are moving in the same direction and have the same
displacement from their equilibrium positions?
C) wavelengths
D) speeds
C) refracted
D) dispersed
1618 - 1 - Page 6
54)
Which point on the wave shown in the diagram is 180DC
out of phase with point P?
58)
As the frequency of the wave generated by a radio
transmitter is increased, the wavelength
A) decreases
B) remains the same
C) increases
59)
A) 1
55)
B) 2
C) 3
A) 5.0 m
B) 2.5 m
D) 4
Which point on the wave diagram below is in phase with
point A?
What is the wavelength of the wave shown in the diagram
below?
60)
The speed of a transverse wave in a string is 12 meters per
second. If the frequency of the source producing this wave
is 3.0 hertz, what is its wavelength?
A) 36 m
B) 2.0 m
61)
A) B
56)
B) C
C) D
62)
The diagram below represents wave movement.
64)
A) D and F
B) C and E
57)
C) A and C
D) B and F
C) 20. m
D) 0.50 m
A typical microwave oven produces radiation at a frequency
of 1.0 x 1010 hertz. What is the wavelength of this
microwave radiation?
A) 3.0 x 1018 m
B) 3.0 x 1010 m
Which two points are in phase?
C) 83,000 m
D) 250 m
What is the wavelength of a 30.-hertz periodic wave moving
at 60. meters per second?
A) 2.0 m
B) 1,800 m
63)
C) 4.0 m
D) 0.25 m
Sound waves with a constant frequency of 250 hertz are
traveling through air at STP. What is the wavelength of the
sound waves?
A) 0.76 m
B) 1.3 m
D) E
C) 4.0 m
D) 10. m
C) 3.0 x 10-2 m
D) 3.0 x 10-1 m
In the diagram below, a water wave having a speed of
0.25 meter per second causes a cork to move up and down
4.0 times in 8.0 seconds.
Which distance represents the wavelength of the wave
shown below?
What is the wavelength of the water wave?
A) 2.0 m
B) 8.0 m
A) A
B) B
C) C
D) D
C) 1.0 m
D) 0.50 m
1618 - 1 - Page 7
65)
In the diagram below, the distance between points A and B
on a wave is 0.10 meter.
70)
The periodic wave in the diagram below has a frequency of
40. hertz.
This wave must have
A)
B)
C)
D)
What is the speed of the wave?
a wavelength of 0.10 m
a wavelength of 0.20 m
an amplitude of 0.20 m
an amplitude of 0.10 m
A) 13 m/s
B) 60. m/s
C) 120 m/s
D) 27 m/s
Questions 65 and 66 refer to the following:
The distance from the Moon to Earth is 3.9 x 108 meters.
What is the time required for a light ray to travel from the
Moon to Earth?
The diagram below represents a vibrating string with a periodic
wave originating at A and moving to G, a distance of 6.0 meters.
A) 3.9 s
B) 1.3 s
71)
72)
It takes 1 second for a sound wave to travel from a source to
observer A. How long does it take the same sound wave to
travel in the same medium to observer B, who is located
twice as far from the source as observer A?
A) \ s
B) 4 s
73)
66)
A) 1.0 m
B) 2.0 m
67)
C) 3.0 m
D) 6.0 m
If the waves were produced at a faster rate, the distance
between points D and E would
A) remain the same
B) increase
C) decrease
68)
C) 6.62 x 102 m
D) 3.31 x 102 m
Questions 73 and 74 refer to the following:
The diagram below shows a parked police car with a siren on top.
The siren is producing a sound with a frequency of 680 hertz,
which travels first through point A and then through point B, as
shown. The speed of the sound is 340 meters per second.
The wavelength of the periodic wave shown in the diagram
below is 4.0 meters. What is the distance from point B to
point C?
74)
A) 1.0 m
B) 2.0 m
69)
C) [ s
D) 2 s
What total distance will a sound wave travel in air in
3.00 seconds at STP?
A) 9.00 x 108 m
B) 9.93 x 102 m
What is the wavelength of this wave?
C) 0.65 s
D) 2.6 s
A) frequency
B) phase
A) 0.50 m
B) 2.3 x 10-6 m
C) 4.0 m
D) 3.0 m
As a wave enters a medium, there may be a change in the
wave's
C) speed
D) period
What is the wavelength of the sound produced by the car's
siren?
75)
C) 2.3 x 105 m
D) 2.0 m
If the car were to accelerate toward point A, the frequency of
the sound heard by an observer at point A would
A) increase
B) remain the same
C) decrease
1618 - 1 - Page 8
76)
The diagram below shows radar waves being emitted from a stationary police car and reflected by a moving car back to the police
car.
The difference in apparent frequency between the incident and reflected waves is an example of
A) constructive interference
B) the Doppler effect
77)
An observer detects an apparent change in the frequency of 82)
sound waves produced by an airplane passing overhead.
This phenomenon illustrates
A)
B)
C)
D)
78)
wave intensity increase
wave amplitude increase
the refraction of sound waves
the Doppler effect
A stationary radar gun can determine the speed of a pitched
baseball by measuring the difference in frequency between
incident and reflected radar waves. This process illustrates
A) diffraction
B) the Doppler effect
79)
C) total internal reflection
D) refraction
A) increasing
B) not changing
C) decreasing
83)
84)
A) not moving
B) moving toward the police officer
C) moving away from the police officer
80)
As observed from the Earth, the light from a star is shifted
toward lower frequencies. This is an indication that the
distance between the Earth and the star is
A) increasing
B) constant
C) decreasing
81)
An Earth satellite in orbit emits a radio signal of constant
frequency. Compared to the emitted frequency, the
frequency of the signal received by a stationary observer
will appear to be
A)
B)
C)
D)
unaffected by the satellite's motion
lower as the satellite approaches
higher as the satellite moves away
higher as the satellite approaches
The driver of a car sounds the horn while traveling toward a
stationary person. Compared to the sound of the horn heard
by the driver, the sound heard by the stationary person has
A)
B)
C)
D)
C) standing waves
D) the critical angle
A police officer's stationary radar device indicates that the
frequency of the radar wave reflected from an automobile is
less than the frequency emitted by the radar device. This
indicates the automobile is
An astronomer on Earth studying light coming from a star
notes that the observed light frequencies are lower than the
actual emitted frequencies. The astronomer concludes that
the distance between the star and Earth is
A car's horn is blowing as the car moves at constant speed
toward an observer. Compared to the frequency of the
sound wave emitted by the horn, the observed frequency is
A)
B)
C)
D)
85)
higher pitch and longer wavelength
higher pitch and shorter wavelength
lower pitch and longer wavelength
lower pitch and shorter wavelength
constant, and lower
varying, and lower
constant, and higher
the same
The driver of a car hears a siren of an ambulance which is
moving away from her. If the actual frequency of the siren is
2,000 hertz, the frequency heard by the driver may be
A) 2,000 Hz
B) 1,900 Hz
C) 4,000 Hz
D) 2,100 Hz
1618 - 1 - Page 9
86)
The vibrating tuning fork shown in the diagram below
produces a constant frequency. The tuning fork is moving
to the right at a constant speed, and observers are located
at points A, B, C, and D.
89)
Compared to the frequency of the waves observed at
point D, the frequency of the waves observed at point B is
A) higher
B) the same
C) lower
90)
The velocity of the source is increased. The wavelength of
the waves observed at point D will
A) remain the same
B) decrease
C) increase
91)
The diagram below illustrates the wave pattern formed when
a stone is dropped into still water.
Which observer hears the lowest frequency?
A) A
B) B
C) C
D) D
Questions 85 through 88 refer to the following:
The diagram below represents the wave pattern produced by a
vibrating source moving linearly in a shallow tank of water. The
pattern is viewed from above and the lines represent wave crests.
The locus of points on the outermost circle represents
A) the period
B) a wave front
92)
C) the frequency
D) a wavelength
In the diagram below, a wave of 1.00-meter amplitude is
moving from left to right in an elastic cord.
The displacement of point A after the wave has passed
point B will be
87)
A) A
88)
A)
B)
C)
D)
The source is moving toward point
B) B
C) C
D) D
The wave pattern is an illustration of
A) diffraction
B) the Doppler effect
C) dispersion
D) interference
93)
0.500 meter up or down
1.00 meter down
1.00 meter up
0.00 meter
Using one or more complete sentences, state the Law of
Reflection.
1618 - 1 - Page 10
94)
A barrier is placed in the ripple tank as shown in the diagram below.
On the diagram, use a protractor and straightedge to construct an arrow to represent the direction of the velocity of the reflected
waves.
95)
The diagram below represents a wave generator having a constant frequency of 12 hertz producing parallel wave fronts in a
ripple tank. The velocity of the waves is v.
(a) Using a ruler, measure the wavelength of the waves shown and record the value to the nearest tenth of a centimeter.
(b) Determine the speed of the waves in the ripple tank. [Show all calculations, including the equation and substitution with
units.]
1618 - 1 - Page 11
96)
Two waves, A and B, travel in the same direction in the same medium at the same time.
(a)
On the graph below, draw the resultant wave produced by the superposition of waves A and B.
(b) What is the amplitude of the resultant wave?
(c) What is the wavelength of the resultant wave?
97)
Interference and diffraction can be explained by
A) neither the wave nor particle theory
B) the particle theory, only
C) the wave theory, only
98)
99)
In the diagram below, two speakers are connected to a
sound generator. The speakers produce a sound pattern of
constant frequency such that a listener will hear the sound
very well at A and C, but not as well at point B.
Which phenomenon must occur when two or more waves
pass simultaneously through the same region in a medium?
A) refraction
B) interference
C) reflection
D) dispersion
Which wave phenomenon is illustrated by this experiment?
A) polarization
B) refraction
C) interference
D) reflection
1618 - 1 - Page 12
100)
Two pulses are traveling along a string toward each other
as represented in the diagram below.
103)
Two wave sources operating in phase in the same medium
produce the circular wave patterns shown in the diagram
below. The solid lines represent wave crests and the
dashed lines represent wave troughs.
Which phenomenon will occur as the pulses meet?
A) refraction
B) diffraction
101)
C) interference
D) reflection
A car radio is tuned to the frequency being emitted from
two transmitting towers. As the car moves at constant
speed past the towers, as shown in the diagram below, the
sound from the radio repeatedly fades in and out.
Which point is at a position of maximum destructive
interference?
A) A
B) B
104)
C) C
D) D
The diagram below shows two pulses, each of length l,
traveling toward each other at equal speed in a rope.
Which diagram best represents the shape of the rope when
both pulses are in region AB?
This phenomenon can best be explained by
A) resonance
B) refraction
102)
C) interference
D) reflection
Which pair of moving pulses in a rope will produce
destructive interference?
105)
C)
B)
D)
An opera singer's voice is able to break a thin crystal glass
if the singer's voice and the glass have the same natural
A) speed
B) wavelength
A)
106)
B)
C) frequency
D) amplitude
When an opera singer hits a high-pitch note, a glass on
the opposite side of the opera hall shatters. Which
statement best explains this phenomenon?
A) The vibrations of the note are polarized by the shape
of the opera hall.
B) The singer and glass are separated by an integral
number of wavelengths.
C) The frequency of the note and natural vibration
frequency of the glass are equal.
D) The amplitude of the note increases before it reaches
the glass.
C)
107)
D)
A)
In order for standing waves to form in a medium, two
waves must
A)
B)
C)
D)
have the same frequency
travel in the same direction
have different amplitudes
have different wavelengths
1618 - 1 - Page 13
108)
Standing waves are produced by two waves traveling in
opposite directions in the same medium. These two waves
must have
A)
B)
C)
D)
109)
113)
Two waves of the same wavelength (l) interfere to form a
standing wave pattern as shown in the diagram. What is
the straight-line distance between consecutive nodes?
different amplitudes and different frequencies
different amplitudes and the same frequency
the same amplitude and different frequencies
the same amplitude and the same frequency
The diagram below represents a vibrating string with a
periodic wave originating at A and moving to G, a distance
of 6.0 meters.
A) \l
B) 2l
114)
C) [l
D) 1l
When the stretched string of the apparatus represented
below is made to vibrate, point P does not move.
Which phenomenon would occur if the waves were
reflected at G and returned back to A through the
oncoming waves?
A) diffraction
B) standing waves
110)
A)
B)
C)
D)
C) reflection
D) diffraction
Standing waves are produced by the interference of two
waves with the same
A)
B)
C)
D)
112)
Point P is most probably at the location of
Which wave phenomenon could not be demonstrated with
a single wave pulse?
A) refraction
B) a standing wave
111)
C) Doppler effect
D) dispersion
115)
maximum pulse
maximum amplitude
an antinode
a node
The distance between successive antinodes in the
standing wave pattern shown below is equal to
frequency, amplitude, and direction
amplitude and direction, but different frequencies
frequency and direction, but different amplitudes
frequency and amplitude, but opposite directions
How many nodes are represented in the standing wave
diagram below?
A) ! wavelength
B) 2 wavelengths
116)
Maximum destructive interference between two waves
occurs when the waves are out of phase by
A) 45 degrees
B) 360 degrees
117)
A) 2
B) 3
C) 4
D) 6
C) 1 wavelength
D) \ wavelength
C) 180 degrees
D) 90 degrees
If two identical sound waves arriving at the same point are
in phase, the resulting wave will have
A)
B)
C)
D)
a larger amplitude
a longer period
an increase in speed
an increase in frequency
1618 - 1 - Page 14
118)
The diagram below represents a rope along which two
pulses of equal amplitude, A, approach point P.
121)
The amplitude of a sound wave is to its loudness as the
amplitude of a light wave is to its
A) color
B) brightness
122)
When the two pulses meet at P, the vertical displacement
of the rope at point P will be
A) 2A
B) \A
119)
C) A
D) 0
To the nearest order of magnitude, how many times
greater than the speed of sound is the speed of light?
A) 1012
B) 1010
123)
Which pair of pulses, moving through the same medium,
will produce the pulse shown below when they are
superimposed?
C) 106
D) 104
The time required for light to travel a distance of 1.5 x 1011
meters is closest to
A) 5.0 x 102 s
B) 4.5 x 1019 s
124)
C) speed
D) frequency
C) 2.0 x 10-3 s
D) 5.0 x 10-1 s
As a ray of monochromatic light enters a block of flint
glass from air, its speed
A) remains the same
B) increases
C) decreases
125)
Which property of light is illustrated by the diagram
below?
A)
B)
C)
D)
120)
Which pair of waves will produce a resultant wave with
the smallest amplitude?
A) refraction
B) reflection
126)
C) dispersion
D) diffraction
Which phenomenon of light is illustrated by the diagram
below?
A)
B)
A) refraction
B) diffraction
127)
C)
C) diffuse reflection
D) regular reflection
As shown in the diagram below, a beam of light can pass
through the length of a curved glass fiber.
D)
This phenomenon is possible due to the effect of
A) internal reflection
B) diffraction
C) dispersion
D) polarization
1618 - 1 - Page 15
128)
Which phenomenon of light is illustrated by the diagram
below?
131)
When light rays from an object are incident upon an
opaque, rough-textured surface, no reflected image of the
object can be seen. This phenomenon occurs because of
A)
B)
C)
D)
132)
reflected angles not being equal to refracted angles
diffuse reflection
reflected angles not being equal to incident angles
regular reflection
When a light ray is reflected from a surface, the ratio of the
angle of incidence to the angle of reflection is
A) greater than one
B) less than one
C) equal to one
A) diffuse reflection
B) regular reflection
129)
C) refraction
D) dispersion
133)
A ray is reflected from a surface as shown in the diagram
below.
Which of the diagrams representing light rays reflecting
from a surface illustrates diffuse reflection?
A)
B)
Which letter represents the angle of incidence?
A) A
B) B
C)
134)
D)
130)
C) C
D) D
The diagram below represents a light ray being reflected
from a plane mirror. The angle between the incident ray
and the reflected ray is 70D.
Which diagram best represents the reflection of light from
an irregular surface?
A)
B)
What is the angle of incidence for this ray?
A) 35D
B) 70.D
C)
D)
C) 55D
D) 20.D
1618 - 1 - Page 16
135)
The diagram below shows the direction of water waves
moving along path XY toward a barrier.
139)
The diagram below shows a light ray being reflected from a
plane mirror. What is the angle of reflection?
A) 90D
B) 40D
Which arrow represents the direction of the waves after
they have reflected from the barrier?
136)
A)
C)
B)
D)
In the diagram below, light ray AO is incident on a Luciteair surface at point O. Through which point will the
reflected ray pass?
140)
Parallel light rays are incident on the surface of a plane
mirror. Upon reflection from the mirror, the light rays will
A) converge
B) be parallel
141)
A) 1
B) 2
137)
A ray of light strikes a mirror at an angle of incidence of
60D. What is the angle of reflection?
A) 0D
B) 90D
138)
C) 3
D) 4
C) 60D
D) 30D
When a ray of light strikes a mirror perpendicular to its
surface, the angle of reflection is
A) 45D
B) 90D
C) 0D
D) 60D
C) superposition
D) interference
Which characteristic of a wave changes as the wave
travels across a boundary between two different media?
A) frequency
B) speed
144)
C) amplitude
D) frequency
The change in the direction of a wave when it passes
obliquely from one medium to another is called
A) diffraction
B) refraction
143)
C) be scattered
D) diverge
Refraction of a wave is caused by a change in the wave's
A) speed
B) phase
142)
C) 50D
D) 80D
C) phase
D) period
As a periodic wave travels from one medium to another,
which pair of the wave's characteristics cannot change?
A)
B)
C)
D)
period and frequency
amplitude and wavelength
period and amplitude
frequency and velocity
1618 - 1 - Page 17
145)
The diagram below shows a ray of monochromatic light
incident on an alcohol-flint glass interface.
147)
The diagram below represents wave fronts traveling from
medium X into medium Y.
All points on any one wave front shown must be
A)
B)
C)
D)
What occurs as the light travels from alcohol into flint
glass?
A) The speed of the light increases and the ray bends
away from the normal.
B) The speed of the light increases and the ray bends
toward the normal.
C) The speed of the light decreases and the ray bends
toward the normal.
D) The speed of the light decreases and the ray bends
away from the normal.
146)
148)
traveling with the same speed
in phase
superposed
traveling in the same medium
Which ray diagram illustrates refraction?
A)
Which diagram best illustrates wave refraction?
B)
A)
C)
B)
D)
C)
149)
What occurs when light passes from water into flint glass?
A) Its speed decreases, its wavelength becomes smaller,
and its frequency increases.
B) Its speed decreases, its wavelength becomes smaller,
and its frequency remains the same.
C) Its speed increases, its wavelength becomes larger,
and its frequency decreases.
D) Its speed increases, its wavelength becomes larger,
and its frequency remains the same.
D)
150)
As monochromatic light passes from air into glass, its
speed
A) remains the same
B) increases
C) decreases
1618 - 1 - Page 18
151)
A beam of light crosses a boundary between two different
media. Refraction can occur if
A)
B)
C)
D)
152)
156)
The diagram below represents a light ray passing from
alcohol into glass.
all of the light is reflected
the media have different indices of refraction
there is no change in the speed of the wave
the angle of incidence is 0D
Light travels from medium A where its speed is 2.5 x 108
meters per second into medium B where its speed is
2.0 x 108 meters per second. Compared to the absolute
index of refraction of medium A, the absolute index of
refraction of medium B is
A) the same
B) less
C) greater
153)
154)
If the speed of light in a medium is 2.0 x 108 meters per
second, the index of refraction for the medium is
Through which point will the ray most likely pass?
A) 1.5
B) 0.67
A) A
B) B
The speed of light in a material is 2.5 x 108 meters per
second. What is the absolute index of refraction of the
material?
A) 0.83
B) 2.5
155)
C) 1.0
D) 2.0
157)
C) C
D) D
As represented in the diagram below, the speed of a wave
increases as it passes from medium 1 into medium 2.
C) 1.2
D) 7.5
The diagram below shows a ray of light, R, entering glass
from air.
Which arrow best represents the direction of the wave in
medium 2?
A) 1
B) 2
Which path is the ray most likely to follow in the glass?
A) A
B) B
C) C
D) D
C) 3
D) 4
1618 - 1 - Page 19
158)
A ray of monochromatic light AB in air strikes a piece of
glass at an incident angle t as shown in the diagram below.
159)
The diagram below represents the path of periodic waves
passing from medium A into medium B.
As the waves enter medium B, their speed
A) increases
B) remains the same
C) decreases
Which of the following diagrams below best illustrates the
ray's interaction with the glass?
160)
A ray of monochromatic light (l = 5.9 x 10-7 meter)
traveling in air is incident on an interface with a liquid at an
angle of 45D, as shown in the diagram below.
A)
If the absolute index of refraction of the liquid is 1.4, the
angle of refraction for the light ray is closest to
B)
A) 30.D
B) 40.D
161)
C) 10.D
D) 20.D
The diagram below represents a wave traveling from
medium 1 to medium 2.
C)
The relative index of refraction may be determined by
calculating the ratio of
D)
A)
C)
B)
D)
1618 - 1 - Page 20
162)
The accompanying diagram shows a light ray incident on
the boundary between two media. Total internal reflection
may occur when the index of refraction of medium Y is
165)
In which diagram is angle t a critical angle?
A)
B)
A) greater than the index of refraction of X
B) equal to the index of refraction of X
C) less than the index of refraction of X
163)
In the diagram below, a ray of light enters a transparent
medium from air.
C)
D)
166)
If angle X is 45D and angle Y is 30.D, what is the absolute
index of refraction of the medium?
A) 0.667
B) 1.50
164)
The diagram below represents a light ray traveling from
crown glass into air. The position of the light source is
changed to vary the angle t.
C) 1.41
D) 0.707
The diagram below shows a ray of light passing from
medium X into air.
As t approaches the critical angle, the angle of refraction
approaches
A) 180D
B) 41D
What is the absolute index of refraction of medium X?
A) 0.58
B) 1.7
C) 2.0
D) 0.50
C) 0D
D) 90D
1618 - 1 - Page 21
167)
In the diagram below, a monochromatic light ray is passing
from medium A into medium B. The angle of incidence t is
varied by moving the light source S.
171)
Which phenomenon could occur with ray B, but not with
ray A?
When angle t becomes the critical angle, the angle of
refraction will be
A)
B)
C)
D)
168)
90D
greater than t, but less than 90D
0D
t
In the diagram below, a ray of monochromatic light (A) and
a ray of polychromatic light (B) are both incident upon an
air-glass interface.
A) polarization
B) refraction
172)
The diagram below shows white light being dispersed as it
passes from air into a glass prism.
Polychromatic light passing through a glass prism is
separated into its component frequencies. This
phenomenon is called
A) polarization
B) dispersion
173)
This phenomenon occurs because, in glass, each
frequency of light has a different
A)
B)
C)
D)
169)
absolute index of refraction
angle of incidence
intensity
amplitude
A beam of white light entering a glass prism obliquely and
emerging as a band of colors illustrates the process of
A) interference
B) diffraction
170)
C) dispersion
D) reflection
If the speed of a wave in a medium is dependent on the
frequency, the medium is
A) dispersive
B) translucent
C) transparent
D) refractive
C) reflection
D) diffraction
A prism disperses white light, forming a spectrum. The
best explanation for this phenomenon is that different
frequencies of visible light
A)
B)
C)
D)
174)
C) dispersion
D) reflection
are reflected inside the prism
undergo constructive interference inside the prism
move at different speeds in the prism
are absorbed inside the prism
A laser beam does not disperse as it passes through a
prism because the laser beam is
A) polarized
B) monochromatic
C) longitudinal
D) polychromatic
1618 - 1 - Page 22
175)
The diagram below represents a ray of yellow light (l =
5.9 x 10-7 meter in air) passing from air into Lucite.
Angle t1 is 45D.
Questions 172 and 173 refer to the following:
The diagram below represents a ray of light moving from air
through substance B, through substance C, and back into the air.
The surfaces of substances B and C are parallel.
If the light ray were reversed in direction with the angle in
the Lucite remaining the same, the angle in the air would
be
A)
B)
C)
D)
176)
177)
between 72D and 90D
between 45D and 72D
45D
less than 45D
What is the index of refraction of substance B?
A) 1.5
B) 1.2
178)
The diagram below represents two media with parallel
surfaces in air and a ray of light passing through them.
C) 0.75
D) 1.4
Compared to the wavelength of the light in air, the
wavelength of the light in substance C is
A) the same
B) longer
C) shorter
179)
The diagram below represents a ray of monochromatic
yellow light (l = 5.9 x 10-7 meter) incident upon a block of
Lucite at point A, and continuing through the Lucite to
point B.
Which line best represents the incident ray in the air?
A) DE
B) BE
C) CE
D) AE
After the ray reaches point B, it will pass through point
A) C
B) D
C) E
D) F
1618 - 1 - Page 23
Questions 175 and 176 refer to the following:
The diagram below represents two media with parallel surfaces in
air and a ray of light passing through them.
183)
Which two angles must be equal?
A) 1 and 2
B) 1 and 4
184)
C) 3 and 4
D) 2 and 3
Compared to the speed of light in medium x, the speed of
light in medium z is
A) less
B) the same
C) greater
185)
Which light ray would not be produced in this situation?
A) A
B) E
186)
C) B
D) C
Light originating from source S could produce total
internal reflection at
A) neither surface xy nor yz
B) surface yz, only
C) surface xy, only
187)
The spreading of a wave into a region behind an
obstruction is called
A) dispersion
B) diffraction
180)
Compared to the speed of light in water, the speed of light
in medium X is
188)
C) reflection
D) refraction
The diagram below represents waves passing through a
small opening in a barrier. This is an example of
A) lower
B) the same
C) higher
181)
Ray EFG would be a straight line if the index of refraction
for medium X were
A) greater than 1.33
B) less than 1.33
C) equal to 1.33
Questions 177 through 181 refer to the following:
A) diffraction
B) polarization
The diagram below shows two light rays originating from source S
in medium y. The dashed line represents a normal to each surface.
189)
Which wave phenomenon is represented in the diagram
below?
A) diffraction
B) interference
182)
A reflected light ray is ray
A) A
B) B
C) C
D) E
C) reflection
D) refraction
C) refraction
D) reflection
1618 - 1 - Page 24
190)
Which diagram best illustrates the diffraction of waves?
192)
The diagram below shows a wave phenomenon.
A)
B)
C)
The pattern of waves shown behind the barrier is the
result of
A) reflection
B) interference
D)
191)
193)
Which will most likely occur when light passes through a
double slit?
A)
B)
C)
D)
The diagram below represents straight wave fronts
approaching an opening in a barrier.
194)
interference, only
diffraction, only
refraction
diffraction and interference
When the beams from two coherent light sources are
projected on a screen, alternating bright and dark areas are
produced. This phenomenon illustrates light
A) refraction
B) dispersion
Which diagram best represents the shape of the waves
after passing through the opening?
195)
196)
C) polarization
D) interference
The patterns of light produced by the interaction of light
with a thin film are a result of
A) diffusion
B) diffraction
A)
C) diffraction
D) refraction
C) interference
D) polarization
Red light passing through a double slit is producing a
stationary interference pattern on a screen as shown in the
diagram.
B)
C)
D)
The interference pattern is produced because the light
passing through the two slits is
A) refracted
B) polarized
C) diffracted
D) dispersed
1618 - 1 - Page 25
197)
In the diagram below, an interference pattern is produced
on screen B when light passes through the double slit in
barrier A.
203)
All electromagnetic waves have the same speed in
A) alcohol
B) flint glass
204)
In a vacuum, all electromagnetic waves have the same
A) energy
B) speed
205)
C) water
D) a vacuum
C) wavelength
D) frequency
As the wavelength of a visible lightbeam is increased from
violet to red, the speed of the light in a vacuum
A) increases
B) decreases
C) remains the same
206)
A) greater
B) the same
C) less
The pattern produced on the screen is the result of
interference and
A) polarization
B) diffraction
198)
polarization
the Doppler effect
interference
refraction
208)
Its frequency is constantly changing.
It is a longitudinal wave.
It can be polarized.
It can be dispersed by a prism.
The diagram below shows sunglasses being used to
eliminate glare.
Which of the following electromagnetic radiations has the
shortest wavelength?
A) radio
B) ultraviolet
Compared to the wavelength of a wave of green light in air,
the wavelength of this same wave of green light in Lucite
is
209)
What is the wavelength ox x-rays with a frequency
1.5 x 1018 hertz traveling in a vacuum?
A) 5.0 x 109 m
B) 5.0 x 10-10 m
210)
211)
Which phenomenon of light is represented in the diagram?
201)
212)
A) polarization
B) reflection
C) diffraction
D) refraction
Which of the following electromagnetic waves has the
lowest frequency?
C) yellow light
D) green light
As the color of light changes from red to yellow, the
frequency of the light
A) remains the same
B) decreases
C) increases
C) diffraction
D) reflection
Which phenomenon can not be exhibited by longitudinal
waves?
longer period
longer wavelength
higher frequency
higher speed
A) violet light
B) red light
Which phenomenon can be observed for transverse
waves only?
A) refraction
B) polarization
202)
C) internal reflection
D) dispersion
C) 4.5 x 1026 m
D) 2.0 x 10-10 m
Compared to visible light, ultraviolet radiation is more
harmful to human skin and eyes because ultraviolet
radiation has a
A)
B)
C)
D)
A) diffraction
B) polarization
C) infrared
D) visible
A) the same
B) greater
C) less
Which is a characteristic of light produced by a
monochromatic light source?
A)
B)
C)
D)
200)
207)
Which phenomenon can occur with light, but not with
sound?
A)
B)
C)
D)
199)
C) refraction
D) reflection
Compared to the speed of light in a material medium, the
speed of light in a vacuum is
213)
When a ray of white light is refracted, the component color
that has the greatest change in direction is
A) green
B) red
C) orange
D) violet
1618 - 1 - Page 26
214)
Compared to the period of a wave of red light, the period
of a wave of blue light is
215)
A) the same
B) greater
C) less
Questions 210 through 213 refer to the following:
The diagram below represents a ray of monochromatic violet light
waves (l = 4.0 x 10-7 m) passing from air through Lucite and then
into air again.
Compared to the frequency of waves of violet light in air,
the frequency of waves of violet light in Lucite is
A) the same
B) greater
C) less
216)
Compared to angle A, angle B is
A) larger
B) smaller
C) the same
217)
The frequency of these light waves in air, in hertz (cycles
per second), is
A) 1.3 x 10-14
B) 7.5 x 10-14
218)
Compared to the speed of the violet light in air, the speed
of the violet light in Lucite is
A) the same
B) greater
C) less
219)
C) 1.3 x 1014
D) 7.5 x 1014
A ray of light, AO, is incident on a plane mirror as shown.
(a) Using a protractor, measure the angle of incidence for light ray AO.
(b) What is the angle of reflection of the light ray?
(c) Using a protractor and straightedge, construct the reflected ray.