Waves Practice. 1. The diagram shown represents four waves traveling to the right in the same transmitting medium.

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1 Name: Date: 1. The diagram shown represents four waves traveling to the right in the same transmitting medium. 4. Periodic waves are being produced in a ripple tank. As the rate at which the waves are produced is increased, the wavelength of the waves will A. decrease B. increase C. remain the same Which type of wave is represented? A. elliptical B. longitudinal C. torsional D. transverse 5. Which part of the longitudinal waveform shown represents a rarefaction? 2. Which wave has the greatest frequency? 6. Which area of the longitudinal waveform area best represents the wavelength of the wave shown? 3. Which wave has the greatest amplitude? A. A and B B. B and C C. C, only D. D page 1

2 7. In the wave diagram shown, one wavelength is the distance from point A to which point? 10. The diagram below represents a periodic wave. A. E B. B C. C D. D Which two points on the wave are out of phase? A. A and C B. B and F C. C and E D. D and G 8. The energy of a sound wave is most closely related to the wave s A. frequency B. amplitude C. wavelength D. speed 11. A distance of meter separates successive crests of a periodic wave produced in a shallow tank of water. If a crest passes a point in the tank every second, what is the speed of this wave? A m/s B m/s C m/s D m/s 9. A sound wave traveling eastward through air causes the air molecules to A. vibrate east and west B. vibrate north and south C. move eastward, only D. move northward, only 12. One vibrating 256-hertz tuning fork transfers energy to another 256-hertz tuning fork, causing the second tuning fork to vibrate. This phenomenon is an example of A. diffraction B. reflection C. refraction D. resonance page 2

3 13. Sound waves are produced by the horn of a truck that is approaching a stationary observer. Compared to the sound waves detected by the driver of the truck, the sound waves detected by the observer have a greater A. wavelength B. frequency C. period D. speed 15. A tuning fork vibrates at a frequency of 512 hertz when struck with a rubber hammer. The sound produced by the tuning fork will travel through the air as a A. longitudinal wave with air molecules vibrating parallel to the direction of travel B. transverse wave with air molecules vibrating parallel to the direction of travel C. longitudinal wave with air molecules vibrating perpendicular to the direction of travel D. transverse wave with air molecules vibrating perpendicular to the direction of travel 14. The diagram below shows two waves traveling toward each other at equal speed in a uniform medium. 16. What is the wavelength of a 2.50-kilohertz sound wave traveling at 326 meters per second through air? A m B m C m D m When both waves are in the region between points A and B, they will undergo A. diffraction B. the Doppler effect C. destructive interferencer D. constructive interference 17. 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 of kidney stones with specific frequencies of sound waves is an application of which wave phenomenon? A. the Doppler effect B. reflection C. refraction D. resonance page 3

4 18. While sitting in a boat, a fisherman observes that two complete waves pass by his position every 4 seconds. What is the period of these waves? A. 0.5 s B. 2 s C. 8 s D. 4 s 22. What is the period of a water wave if 4.0 complete waves pass a fixed point in 10. seconds? A s B s C. 2.5 s D. 4.0 s 19. Base your answer(s) to the following question(s) on the diagram below, which shows a wave in a rope. 23. The diagram below represents a periodic wave. Determine the wavelength of the wave. 20. Determine the amplitude of the wave. Which point on the wave is 90 out of phase with point P? 21. The graph below represents the displacement of a particle in a medium over a period of time. 24. What is the wavelength of a 256-hertz sound wave in air at STP? A m B m C m D m The amplitude of the wave is A. 4.0 s B. 6.0 s C. 8 cm D. 4 cm page 4

5 25. Which statement correctly describes one characteristic of a sound wave? 28. The diagram below represents a transverse water wave propagating toward the left. A cork is floating on the water s surface at point P. A. A sound wave can travel through a vacuum. B. A sound wave is a transverse wave. C. The amount of energy a sound wave transmits is directly related to the wave s amplitude. D. The amount of energy a sound wave transmits is inversely related to the wave s frequency. In which direction will the cork move as the wave passes point P? A. up, then down, then up B. down, then up, then down 26. A 256-hertz vibrating tuning fork is brought near a nonvibrating 256-hertz tuning fork. The second tuning fork begins to vibrate. Which phenomenon causes the nonvibrating tuning fork to begin to vibrate? C. left, then right, then left D. right, then left, then right A. resistance B. resonance C. refraction D. reflection 29. The diagram below represents a standing wave. 27. Astronauts traveling toward Earth in a fast-moving spacecraft receive a radio signal from an antenna on Earth. Compared to the frequency and wavelength of the radio signal emitted from the antenna, the radio signal received by the astronauts has a A. lower frequency and a shorter wavelength B. lower frequency and a longer wavelength C. higher frequency and a shorter wavelength The number of nodes and antinodes shown in the diagram is A. 4 nodes and 5 antinodes B. 5 nodes and 6 antinodes C. 6 nodes and 5 antinodes D. 6 nodes and 10 antinodes D. higher frequency and a longer wavelength page 5

6 30. The diagram below shows two waves traveling in the same medium. Points A, B, C, and D are located along the rest position of the medium. The waves interfere to produce a resultant wave. The superposition of the waves produces the greatest positive displacement of the medium from its rest position at point page 6