1. A longitudinal wave is:
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A longitudinal wave is:
A wave where the particle oscillation is perpendicular to the direction of wave motion
A wave where the particle oscillation is parallelto the direction of wave motion
Response Grid

2. How many nodes and antinodes?
4, 5
5, 8
5, 4
4, 8
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Response Grid

3. Which of the following sources of sound has the shortest wavelength?
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A female soprano singer at 2,000 Hz
A bass guitar at 150 Hz
A male voice at 500 Hz
The rumble of thunder at 75 Hz
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4. When waves interference constructively to produce a pattern of light and dark regions they are
Out of phase
In phase
Standing waves
Cancelling one another
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Response Grid

5. When a distant object approaches you, such as a galaxy in outer space, you will observe
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The Doppler effect
Blue shift
Red shift
Both 1 & 2
Both 1 & 3
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6. Leader Board

7. Two successive crests of a transverse wave are 1. 20 m apart
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?
0.667 m/s
1.80 m/s
0.800 m/s
9.60 m/s
Response Grid
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8. The period of a pendulum may be decreased by
Shortening its length
Increasing the mass of the bob
Moving its equilibrium point
Increasing its length
Response Grid
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9. If the pendulum completes exactly 12 cycles in 2
If the pendulum completes exactly 12 cycles in 2.0 minutes, what is the frequency of the pendulum?
0.10 Hz
0. 17 Hz
6.0 Hz
10 Hz
Response Grid
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10. The period of this wave is…
2 seconds
4 seconds
6 seconds
Response Grid
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11. The amplitude of this wave is…
4.8 meters
4.0 meters
2.4 meters
Response Grid
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12. Leader Board Participant 1 Participant 2 Participant 3 Participant 4
Participant 1
Participant 2
Participant 3
Participant 4
Participant 5

13. A wave with an amplitude of 0
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?
0.22 m
0.53 m
0.75 m
1.28 m
Response Grid
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14. A total of 5 s passes as a child completes one complete swing on a playground swing. The period of the swing is
1/5 s
20 s
5 s
1 s
Response Grid
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15. The frequency of a certain pendulum is 0. 5 Hz
The frequency of a certain pendulum is 0.5 Hz. The period of this pendulum is
0.2 s
0.5 s
2 s
5 s
Response Grid
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16. Which of the following factors has the greatest effect on the frequency of a swinging pendulum?
Friction
Amplitude
Mass
Length
Response Grid
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17. Vary with the mass of the bob
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
Increase
Decrease
Be unchanged
Vary with the mass of the bob
Response Grid
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18. Leader Board Participant 1 Participant 2 Participant 3 Participant 4
Participant 1
Participant 2
Participant 3
Participant 4
Participant 5

19. The material through which a mechanical wave travels is
A medium
Empty space
Water
Air
Response Grid
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20. The human voice has been shown to be capable of shattering a glass
The human voice has been shown to be capable of shattering a glass. This is possible due to…
Resonance
Doppler Effect
Interference
Harmonics
Timbre
Response Grid
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21. When a transverse wave passes through water, water molecules are displaced
Permanently in the direction of the wave motion
Permanently in a direction perpendicular to the wave
Temporarily in the direction of the wave motion
Temporarily in a direction perpendicular to the wave
Response Grid
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22. You are traveling in a car near by a moving train
You are traveling in a car near by a moving train. The train sounds its whistle, but you fail to hear the Doppler effect. This may be because…
You are traveling away from the train too fast to detect it
You are traveling towards the train too fast to detect it
You are traveling at the same speed as the train
You are traveling away from the train too slowly to detect it
You are traveling towards the train to slowly to detect it
Response Grid
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23. The distance between two troughs of a transverse wave is the wave’s
Amplitude
Wavelength
Frequency
Rarefaction
Response Grid
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24. Leader Board Participant 1 Participant 2 Participant 3 Participant 4
Participant 1
Participant 2
Participant 3
Participant 4
Participant 5

25. Move your foot up and down more frequently
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?
Move your foot up and down more frequently
Move your foot up and down less frequently
Move your foot up and down more strongly
None of the above
Response Grid
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26. A wave is passing through a uniform medium
A wave is passing through a uniform medium. As the frequency of this wave increases, its wavelength
Depends on amplitude
Decreases
Increases
Does not change
Response Grid
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27. A ____ wave travels through a medium as a series of compressions and rarefactions.
Sine
Longitudinal
Pulse
Transverse
Response Grid
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28. When two transverse waves traveling through a medium meet and exactly coincide, the resulting displacement of the medium
Is the sum of the displacements of each wave
Is zero
Is always greater than the displacement of either wave alone
Is always destructive
Response Grid
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29. When two waves having displacements in opposite directions meet, ____ occurs.
Complete destructive interference
No interference
Constructive interference
Destructive interference
Response Grid
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30. Leader Board Participant 1 Participant 2 Participant 3 Participant 4
Participant 1
Participant 2
Participant 3
Participant 4
Participant 5

31. A wave pattern on a stretched string appears to be stationary
A wave pattern on a stretched string appears to be stationary. This wave pattern is an example of
A longitudinal wave
A non-periodic wave
A pulse wave
A standing wave
Response Grid
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32. In a standing wave on a vibrating string, a point that appears to remain stationary is a(n)
Antinode
Point of constructive interference
Node
rarefaction
Response Grid
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33. An ocean wave has a frequency of 2 Hz and a speed of 20 m/s
An ocean wave has a frequency of 2 Hz and a speed of 20 m/s. What is the wavelength of this wave?
0.1 m
5 m
10 m
40 m
Response Grid
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34. Two waves meet and interfere constructively
Two waves meet and interfere constructively. Which one of the following factors increases?
Period
Frequency
Amplitude
Wavelength
Response Grid
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35. You sit in the audience and listen to a concert band play
You sit in the audience and listen to a concert band play. Which instruments sound reaches your ears first, the flute or the trombone?
The flute
The trombone
They reach your ears at the same time.
Response Grid
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36. Leader Board Participant 1 Participant 2 Participant 3 Participant 4
Participant 1
Participant 2
Participant 3
Participant 4
Participant 5

37. 0.30 m; constructive 0.30 m; destructive 0.00 m; constructive
A string is rigidly attached to a post at one end. Several pulses of amplitude 0.15 m sent down the string are reflected at the post and travel back down the string without a loss of amplitude. What is the amplitude at a point on the string where the maximum displacement points of two pulses cross? What type of interference is this?
0.30 m; constructive
0.30 m; destructive
0.00 m; constructive
0.00 m; destructive
Response Grid
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38. 0.30 m; constructive 0.30 m; destructive 0.00 m; constructive
A string is attached to a post loosely and free to move. Several pulses of amplitude 0.15 m sent down the string are reflected at the post and travel back down the string without a loss of amplitude. What is the amplitude at a point on the string where the maximum displacement points of two pulses cross? What type of interference is this?
0.30 m; constructive
0.30 m; destructive
0.00 m; constructive
0.00 m; destructive
Response Grid
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39. What type of wave is a sound wave?
Mechanical and Transverse
Mechanical and Longitudinal
Electromagnetic and Transverse
Electromagnetic and Longitudinal
Response Grid
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40. The main factor that determines the speed of a sound wave is…
The amplitude
The frequency
The intensity
The properties of the medium
The wavelength
Response Grid
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41. Which of the following factors determines the pitch of a sound?
Amplitude
Intensity
Frequency
Phase
Speed
Response Grid
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42. Leader Board Participant 1 Participant 2 Participant 3 Participant 4
Participant 1
Participant 2
Participant 3
Participant 4
Participant 5

43. You will not be able to hear this sound
While driving, you hear a police car siren approaching from behind. If the siren produces a 1500 Hz sound, you will hear a sound…
Greater than 1500 Hz
Less than 1500 Hz
Equal to 1500 Hz
You will not be able to hear this sound
Response Grid
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44. At room temperature, sound will travel most slowly through which of the following?
Iron
Water
Aluminum
Mercury
Helium
Response Grid
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45. An observer waits for an approaching train
An observer waits for an approaching train. The train blows its whistle approaches the station at a constant speed. The frequency of sound detected by the observer compared to the original whistle will be…
higher
lower
Increasingly higher
Increasingly lower
Response Grid
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46. Final Leader Board Participant 1 Participant 2 Participant 3
Participant 1
Participant 2
Participant 3
Participant 4
Participant 5