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1. At the instant shown, point P on the rope is moving toward the

@) bottom of the page© top of the page©) ieft©) right

2. Which statement correctly describes one characteristic of a sound wave?

@) A sound wave can travel through a vacuumA sound wave is a transverse wave

@ The amount of energy a sound wave transmits is directly related to the wave’s amplitude.

©) The amount of energy a sound wave transmits is inversely related to the wave's frequency

3. A tuning fork oscillates with a frequency of 256 hertz after being struck by a

rubber hammer. Which phrase best describes the sound waves produced by this

oscillating tuning fork?

@) electromagnetic waves that require no medium for transmissionelectromagnetic waves that require a medium for transmission

mechanical waves that require no medium for transmission

@ mechanical waves that require a medium for transmission

4. What is the wavelength of a 256-hertz sound wave in air at STP?

@) 1.17 x@ 1.29m©) 0.773 m©) 8.53 x 107m

5. The wavelength of the waveis equal to the distance between points

() B F@ 4 A \

mi « er

6. is used to produce 4.0 waves each second in a string. What is the

frequency of the waves?

Increasing the amplitude of a sound wave produces a sound with7.

©) lower speedhigher pitch

©) shorter wavelength@ greater loudness

8. Which characteristic is the same for both waves?

© amplitude a ve >frequency

© periodwavelength

9. The superposition of two waves traveling in the same medium produces a

standing wave pattern if the two waves have

©) the same frequency, the same amplitude, and travel in the same direction©} the same frequency, the same amplitude, and travel in opposite directions©) the same frequency, different amplitudes, and travel in the same direction(°) the same frequency, different amplitudes, and travel in opposite directions

10. The number of nodes and antinodes shown in the diagram is

@) 4 nodes and 5 antinodes5 nodes and 6 antinodes

@ 6 nodes and 5 antinodes©) 6 nodes and 10 antinodes

11. Acar's horn is producing a sound wave having a constant frequency of 350

hertz. If the car moves toward a stationary observer at constant speed, the

frequencyof the car's horn detected by this observer may be

©) 320 Hz(8) 330 Hz

12. Sound waves strike a glass and cause it to shatter. This phenomenon

illustrates

@ resonancerefraction

reflection

©) diffraction

13. As the two waves pass through each other, the medium at point P will

©) vibrate up and down 7vibrate left and right

©) vibrate into and out of the page@ remain stationary

pigNS NT

14. Ultrasound is a medical technique that transmits sound waves through soft

tissue in the human body. Ultrasound waves can break kidney stones into tiny

fragments, making it easier for them to be excreted without pain. The shattering ofkidney stones with specific frequencies of sound waves is an application of whicwave phenomenon?

©) the Doppler effectreflection

refraction

@ resonance

15. Awave passes through an opening in a barrier. The amount of diffraction

experienced by the wave depends on the size of the opening and the wave's

@) amplitudewavelength

velocity

©) phase

16. Which phenomenon is illustrated in the diagram?

@) reflection Deep water

® refraction weier©) diffraction(©) interference

17. The wave fronts reach point P as a result of

©) resonancerefraction |

@ diffraction©) reflection |

18. Waves pass through a 10-centimeter opening in a barrier without beingdiffracted. This observation provides evidence that the wavelength of the waves is

much shorter than 10 cm

equal to 10 cm

©) longer than 10 cm, but shorter than 20 cm©) longer than 20 cm.

19. The wavelength of a wave doubles as it travels from medium A into medium B.

Compared to the wave in medium A, the wave in medium B has

©) half the frequency(©) twice the frequency

20. Asa transverse wave travels through a medium, the individual particles of themedium move

® perpendicular to the direction of wave travelparallel to the direction of wave travel

© in circles©) in ellipses

21. Asurfacing whale in an aquarium produces water wave crests every 0.40

seconds. If the water wave travels at 4.5 meters per second, the wavelength of thewaveis

18m

(8) 2.4m

© 22. Asound wave traveling eastward through air causes the air molecules to@ 11m © vibrate east and west

vibrate north and south |

©) move eastward, only©) move northward, only©