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- 1. Multiple Choice
A material in which a wave travels
Base
Vacuum
Medium
Current
- 2. Multiple Choice
The relationship between amplitude and energy can be described as..
Directly proportional (increase and decrease together)
Inversely proportional (when one increases, the other decreases)
- 3. Multiple Choice
The relationship between frequency and wavelength can be described..
Directly proportional (increase and decrease together)
Inversely proportional (when one increases, the other decreases)
- 4. Multiple Choice
Humans can hear frequencies as low as 21 Hz. If the sound is measured during 3 seconds, how many wavelengths pass?
7
24
63
18
- 5. Multiple Choice
What change could explain the difference between the waves?
The speed of the wave increased.
The source of vibrations increased the speed of vibrations.
The wavelength of the wave increased.
The energy provided by the source of vibrations increased.
- 6. Multiple Choice
Which statement correctly describes the relationship between wavelength and frequency?
As wavelength decreases, frequency increases because more waves pass a point each second.
As wavelength decreases, frequency increases because fewer waves pass a point each second.
As wavelength increases, frequency increases because more waves pass a point each second.
As wavelength increases, frequency increases because fewer waves pass a point each second.
- 7. Multiple Choice
A sound wave takes about 5 seconds to move through a material that is 10 meters long. How many meters per second is this?
0.5 m/s
5 m/s
0.2 m/s
2 m/s
- 8. Multiple Choice
Kevin gathers amplitude and energy data for four ocean waves, as shown in the table. Which equation best represents the relationship between the amplitude (A) of an ocean wave and its energy (E), according to the data in the table?
E = A
E = A²
1/E = A
1/E = A²
- 9. Multiple Choice
In a transverse wave, the particle motion is _________________________ to the movement of the wave.
Perpendicular
Parallel
- 10. Multiple Choice
In a longitudinal wave, the particle motion is ________________________ to the movement of the wave.
Perpendicular
Parallel
- 11. Multiple Choice
The loudness of a sound wave is directly proportional to the _______________________.
Pitch
Frequency
Amplitude
Wavelength
- 12. Multiple Choice
The pitch of a sound wave is directly proportional to the _______________________.
Loudness
Frequency
Amplitude
Wavelength
- 13. Multiple Choice
The material, or medium, that sound passes through affects how fast the sound moves.
False
True
- 14. Multiple Choice
Instrument "A" plays a frequency of 266 Hz. Another identical instrument "B" plays a frequency of 400 Hz. How does the wavelength of each of these sound waves compare?
The wavelengths are the same
Instrument "A" has a greater wavelength
Instrument "B" has a greater wavelength
- 15. Multiple Choice
Sound travels fastest at
Higher temperatures
Moderate temperatures
Lower temperatures
- 16. Multiple Choice
Sound travels slowest through
solids
liquids
gases
- 17. Multiple Choice
What is the wavelength of wave A?
4 m
5 m
8 m
20 m
- 18. Multiple Choice
What is the wavelength of wave B?
4 m
5 m
8 m
20 m
- 19. Multiple Choice
What is the amplitude of wave A?
4 m
5 m
8 m
20 m
- 20. Multiple Choice
What is the amplitude of wave B?
4 m
5 m
8 m
20 m
- 21. Multiple Choice
Wave ____ has a lower frequency.
A
B
- 22. Multiple Choice
Wave ____ has a greater amount of energy
A
B
- 23. Multiple Choice
The arrows in the image below represent a sound wave. Which arrow represents the transmitted sound?
A
B
C
- 24. Multiple Choice
The arrows in the image below represent a sound wave. Which arrow represents the reflected sound?
A
B
C
- 25. Multiple Choice
The arrows in the image below represent a sound wave. Which arrow represents the absorbed sound?
A
B
C
- 26. Multiple Choice
Which wave in the image has a lower level of diffraction?
A
B
- 27. Multiple Choice
The smaller the opening that a wave travels through, the ___________________ the diffraction.
lower
higher
- 28. Multiple Choice
The larger the opening that a wave travels through, the ___________________ the diffraction.
lower
higher
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