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```					      A longitudinal wave is:

1. A wave where the oscillation
is perpendicular to the
94%
direction of motion
2. A wave where the oscillation
is in the same direction as                              6%

the direction of motion

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How many nodes and antinodes?
1.   4, 5
2.   5, 8
3.   5, 4
4.   4, 8
81%

13%
6%
0%

5

8

4

8
4,

5,

5,

4,
If the amplitude is twice as big,
which of the following is true of a
pendulum?
1. The pendulum swings twice
as far away from the center
56%

2. Its period is twice as long
3. Its frequency is twice as high                                        25%
19%

4. It must have twice the mass                                                                        0%

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In any system in simple harmonic motion,
the restoring force acting on the mass in
the system is proportional to
1.   Displacement
2.   The length of a pendulum                 71%

3.   The mass
4.   frequency                                             14%
7% 7%

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Which of the following sources of
sound has the shortest
wavelength?
1. A female soprano singer at
2,000 Hz                                           100%

2. A bass guitar at 150 Hz
3. A male voice at 500 Hz
4. The rumble of thunder at 75                                         0% 0% 0%

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Hz

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500   Houlahan
500   Fejko
500   Stafford
500   Gallagher
400   Rusk
400   21. Yonkers
400   Longstaff
400   Lambert
400   Ward
400   O'Callaghan
In an oscillating mass-spring
system, the velocity of the mass is
greatest when the mass is
1. At the point of maximum
displacement                                                                                  56%

2. Halfway between the equilibrium
point and maximum displacement                                       19%
13%                       13%
3. At a point where acceleration is
greatest

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4. At the equilibrium point

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Two successive crests of a transverse
wave are 1.20 m apart. Eight crests
pass a given point every 12.0 s. What
is the wave speed?
57%

1.   0.667 m/s
2.   1.80 m/s                                   29%

14%
3.   0.800 m/s
0%

4.   9.60 m/s

/s

/s
/s

/s
m

m
m

m
7

0
80

60
66

80
1.

9.
0.

0.
The period of a pendulum may
be decreased by
1. Shortening its length
2. Increasing the mass of the                         94%

bob
3. Moving its equilibrium point
6%
4. Decreasing the mass of the                                                       0% 0%

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bob

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If the pendulum completes exactly
12 cycles in 2.0 minutes, what is
the frequency of the pendulum?
1.   0.10 Hz
2.   0. 17 Hz                  44%

3.   6.0 Hz
25%
4.   10 Hz                                               19%
13%

z

z

z

Hz
H

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10

17

0

10
6.
0.

0.
As the swinging bob of a pendulum moves
farther from its equilibrium position, the
pendulum’s _________ increases
1.   Frequency
2.   Mass                                                              75%

3.   Restoring force
4.   Length
19%
6%
0%

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900   Stafford
800   Rusk
800   21. Yonkers
800   Houlahan
800   Fejko
800   Lambert
800   Ward
700   French
700   Opet
A      The period of this wave is…

88%

1. 2 seconds
6%                     6%
2. 4 seconds

ds

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3. 6 seconds
co

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2

4

6
A    The amplitude of this wave is…

100%

1. 4.8 meters
0%          0%
2. 4.0 meters

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3. 2.4 meters
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4.

4.

2.
The GPE of the bob of a swinging
pendulum is at its maximum when
the bob is at
1.   Maximum displacement
2.   The equilibrium point
81%

3.   The center of its swing
4.   Minimum displacement
13%
6%
0%

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In a system in simple harmonic
motion, the amplitude depends on
1. Frequency
2. Wavelength                                                                     69%

3. The position of the
equilibrium point
19%

4. Energy of the system                          13%
0%

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A wave with an amplitude of 0.75 m has the
same wavelength as a second wave with an
amplitude of 0.53 m. The two waves
interfere. What is the amplitude of the
resultant wave if the interference is
constructive?                                     94%
1. 0.22 m
2. 0.53 m
3. 0.75 m
6%
4. 1.28 m                                         0%        0%

m

m

m

m
22

53

75

28
0.

0.

0.

1.
1400   Stafford
1300   Rusk
1300   21. Yonkers
1300   Houlahan
1300   Fejko
1300   Ward
1200   Lambert
1200   Opet
1200   Buzalka
A slinky is stretched to a length of 7
m. All of the following standing
wave wavelengths are possible
except…
57%

1.   21 m
2.   14 m                                              21%
14%
3.   7m                                     7%

4.   3.5 m

m

m

m
m

5
21

14

7

3.
A total of 5 s passes as a child
completes one complete swing on
a playground swing. The period of
the swing is
1.   1/5 s
69%
2.   20 s
3.   5s
31%

4.   1s
0%         0%

s

s

s
s
5

5

1
20
1/
The frequency of a certain
pendulum is 0.5 Hz. The period of
this pendulum is
1.   0.2 s
2.   0.5 s                                  87%

3.   2s
4.   5s
13%
0%        0%

s

s

s

s
2

5

2

5
0.

0.
Which of the following factors has
the greatest effect on the frequency
of a swinging pendulum?
1.   Friction
2.   Amplitude                                           69%

3.   Mass
4.   Length
15%
8%              8%

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If a given pendulum is moved from Earth to
a location where the gravitational
acceleration is greater than Earth’s, the
frequency of the pendulum’s swing will
1.   Increase
2.   Decrease                                      46%
38%
3.   Be unchanged
15%
4.   Vary with the mass of the
0%
bob

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1800   Houlahan
1700   Rusk
1700   Fejko
1700   Ward
1700   Stafford
1600   21. Yonkers
1500   Lambert
1400   Gallagher
1400   Buzalka
You have constructed an oscillating
mass-spring system for an experiment.
In order to increase the frequency of
the system, you could
1. Decrease the initial
displacement
2. Use a greater mass
3. Use a spring with a higher
spring constant                                                 0% 0% 0% 0%

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4. Increase the period of oscillation

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10
A wave with an amplitude of 0.75 m has the
same wavelength as a second wave with an
amplitude of 0.53 m. If the two waves
destructively interfere, what is the amplitude
of the resultant wave?
1.   0.22 m
2.   0.53 m
3.   0.75 m
4.   1.28 m                               0%        0%        0%        0%

m

m

m

m
22

53

75

28
0.

0.

0.

1.
10
If the length of a pendulum gets
longer, the period of the pendulum:
1.   Gets longer
2.   Gets shorter
3.   Stays the same
4.   Not enough information
0% 0% 0% 0%

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10
The material through which a
mechanical wave travels is
1.   A medium
2.   Empty space
3.   Water
4.   Air
0%      0%       0%   0%

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10
When a transverse wave passes
through water, water molecules are
displaced
1. Permanently in the direction of
the wave motion
2. Permanently in a direction
perpendicular to the wave
3. Temporarily in the direction of
the wave motion                                              0% 0% 0% 0%

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4. Temporarily in a direction

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perpendicular to the wave

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10
0   Participant 1
0   Participant 2
0   Participant 3
0   Participant 4
0   Participant 5
A wave that is produced by a single
motion that does not repeat is a
________.
1.   Transverse wave
2.   Continuous wave
3.   Pulse
4.   Compression
0%            0%        0%          0%

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The distance between two
successive troughs of a transverse
wave is the wave’s
1.   Amplitude
2.   Wavelength
3.   Frequency
4.   Rarefaction
0%          0%           0%            0%

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10
Suppose you are dangling your foot in a swimming
pool, making ripples (waves) by moving your foot
up and down. What could you do to make the
ripples travel faster through the water?
1. Move your foot up and down
more frequently
2. Move your foot up and down
less frequently
3. Move your foot up and down                             0% 0% 0% 0%

more strongly

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4. None of the above

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10
When a wave on a rope strikes
a free boundary, the wave is
1.   Reflected and inverted
2.   Reflected but not inverted
3.   Not reflection
4.   absorbed
0% 0% 0% 0%

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10
A wave is passing through a uniform
medium. As the frequency of this
wave increases, its wavelength
1.   Depends on amplitude
2.   Decreases
3.   Increases
4.   Does not change
0% 0% 0% 0%

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10
0   Participant 1
0   Participant 2
0   Participant 3
0   Participant 4
0   Participant 5
If the amplitude of a mechanical
wave is tripled, the rate of energy
transfer of the wave is _____ .
1.   Increased by a factor of 9
2.   Decreased by a factor of 9
3.   Increased by a factor of 3
4.   Decreased by a factor of 3
0%           0%           0%             0%

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10
A ____ wave travels through a
medium as a series of
compressions and rarefactions.
1.   Sine
2.   Longitudinal
3.   Pulse
4.   Transverse
0%       0%        0%         0%

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10
When two transverse waves
traveling through a medium meet
and exactly coincide, the resulting
displacement of the medium
1. Is the sum of the displacements
of each wave
2. Is zero
3. Is always greater than the
displacement of either wave                          0% 0% 0% 0%

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4. Is always destructive

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10
When two waves having
displacements in opposite
directions meet, ____ occurs.
1.   Complete destructive interference
2.   No interference
3.   Constructive interference
4.   Destructive interference
0%                0%               0%               0%

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10
A wave pattern on a stretched
string appears to be stationary.
This wave pattern is an example of
1.   A longitudinal wave
2.   A non-periodic wave
3.   A pulse wave
4.   A standing wave
0%         0%             0%           0%

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10
0   Participant 1
0   Participant 2
0   Participant 3
0   Participant 4
0   Participant 5
In a standing wave on a vibrating
string, a point that appears to
remain stationary is a(n)
1. Antinode
2. Point of constructive
interference
3. Node
4. rarefaction                       0% 0% 0% 0%

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10
An ocean wave has a frequency of
2 Hz and a speed of 20 m/s. What
is the wavelength of this wave?
1.   0.1 m
2.   5m
3.   10 m
4.   40 m

0%       0%    0%    0%

m

m
m

m
1

10

40
5
0.
10
Two waves meet and interfere
constructively. Which one of the
following factors increases?
1.    Period
2.    Frequency
3.    Wavelength
4.    None of the above
0%           0%            0%             0%

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10
You sit in the audience and listen to
a concert band play. Which
instruments sound reaches your
ears first, the flute or the
trombone?
1. The flute
2. The trombone
3. They reach your ears at the              0%           0%               0%

same time.

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10
If a 48 kg mass oscillates on a
spring with a spring constant of 12
N/m, what is the period of the
oscillation?
1.   8π seconds
2.   4π seconds
3.   π seconds
4.   π/2 seconds

10
0   Participant 1
0   Participant 2
0   Participant 3
0   Participant 4
0   Participant 5
A certain oscillating mass-spring system has
a period of 1.2 s with a 1.0 kg mass. What
will the period be when a 4.0 kg mass is
substituted for the 1.0 kg mass?
1. 4.8 s
2. 2.4 s
3. 0.6 s
4. 0.3 s

0%        0%    0%    0%

s

s

s

s
8

4

6

3
4.

2.

0.

0.
10
The spring constant in a given
oscillating mass-spring system may
be changed by
1. Increasing the mass
2. Decreasing the mass
3. Decreasing the initial
displacement
4. None of the above                                  0% 0% 0% 0%

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10
If the pendulum’s length is 2.00 m
and the acceleration due to gravity
is 9.80 m/s2, how many complete
oscillations does the pendulum
make in 5.00 min?
1.   1.76
2.   21.6
3.   106
0%        0%    0%   0%
4.   239

6

9
76

.6

10

23
21
1.
10
In an oscillating mass-spring
system, the distance of the
maximum compression distance of
the spring is a measure of
1.   Amplitude
2.   Frequency
3.   Period
4.   Equilibrium                0%         0%        0%           0%

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0   Participant 1
0   Participant 2
0   Participant 3
0   Participant 4
0   Participant 5

```
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