Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Multiple Choice, continued Standardized Test Prep Chapter 11 1.What.

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Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Multiple Choice, continued Standardized Test Prep Chapter 11 1.What kind of wave does this graph represent? A. transverse wave C. electromagnetic wave B. longitudinal wave D. pulse wave

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Multiple Choice, continued Standardized Test Prep Chapter 11 1.What kind of wave does this graph represent? A. transverse wave C. electromagnetic wave B. longitudinal wave D. pulse wave

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Multiple Choice, continued Standardized Test Prep Chapter 11 2.Which letter on the graph represents wavelength? F. A H. C G. B E. D

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Multiple Choice, continued Standardized Test Prep Chapter 11 2.Which letter on the graph represents wavelength? F. A H. C G. B E. D

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Multiple Choice, continued Standardized Test Prep Chapter 11 3.Which letter on the graph is used for a trough? A. A C. C B. B D. D

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Multiple Choice, continued Standardized Test Prep Chapter 11 3.Which letter on the graph is used for a trough? A. A C. C B. B D. D

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Multiple Choice, continued 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. Standardized Test Prep Chapter 11 4.What is the amplitude of the resultant wave if the interference is constructive? F m G m H m E m

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Multiple Choice, continued 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. Standardized Test Prep Chapter 11 4.What is the amplitude of the resultant wave if the interference is constructive? F m G m H m E m

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Multiple Choice, continued 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. Standardized Test Prep Chapter 11 5.What is the amplitude of the resultant wave if the interference is destructive? A m B m C m D m

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Multiple Choice, continued 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. Standardized Test Prep Chapter 11 5.What is the amplitude of the resultant wave if the interference is destructive? A m B m C m D m

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Multiple Choice, continued Standardized Test Prep Chapter 11 6.Two successive crests of a transverse wave are 1.20 m apart. Eight crests pass a given point in 12.0 s. What is the wave speed? F m/s G m/s H m/s E m/s

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Multiple Choice, continued Standardized Test Prep Chapter 11 6.Two successive crests of a transverse wave are 1.20 m apart. Eight crests pass a given point 12.0 s. What is the wave speed? F m/s G m/s H m/s E m/s

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Short Response Standardized Test Prep Chapter 11 7.Green light has a wavelength of 5.20  10 –7 m and a speed in air of 3.00  10 8 m/s. Calculate the frequency and the period of the light.

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Short Response Standardized Test Prep Chapter 11 7.Green light has a wavelength of 5.20  10 –7 m and a speed in air of 3.00  10 8 m/s. Calculate the frequency and the period of the light. Answer: 5.77  Hz, 1.73  10 –15 s

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Short Response, continued Standardized Test Prep Chapter 11 8.What kind of wave does not need a medium through which to travel?

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Short Response, continued Standardized Test Prep Chapter 11 8.What kind of wave does not need a medium through which to travel? Answer: electromagnetic waves

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Short Response, continued Standardized Test Prep Chapter 11 9.List three wavelengths that could form standing waves on a 2.0 m string that is fixed at both ends.

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Short Response, continued Standardized Test Prep Chapter 11 9.List three wavelengths that could form standing waves on a 2.0 m string that is fixed at both ends. Answer: Possible correct answers include 4.0 m, 2.0 m, 1.3 m, 1.0 m, or other wavelengths such that n = 4.0 m (where n is a positive integer).

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Extended Response, continued Standardized Test Prep Chapter A harmonic wave is traveling along a rope. The oscillator that generates the wave completes 40.0 vibrations in 30.0 s. A given crest of the wave travels 425 cm along the rope in a period of 10.0 s. What is the wavelength? Show all of your work.

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Extended Response, continued Standardized Test Prep Chapter A harmonic wave is traveling along a rope. The oscillator that generates the wave completes 40.0 vibrations in 30.0 s. A given crest of the wave travels 425 cm along the rope in a period of 10.0 s. What is the wavelength? Show all of your work. Answer: m

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Multiple Choice 11. When a part of a sound wave travels from air into water, which property of the wave remains unchanged? A. speed B. frequency C. wavelength D. amplitude Standardized Test Prep Chapter 12

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Multiple Choice 11. When a part of a sound wave travels from air into water, which property of the wave remains unchanged? A. speed B. frequency C. wavelength D. amplitude Standardized Test Prep Chapter 12

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Multiple Choice, continued 12. What is the wavelength of the sound wave shown in the figure? F m G m H m J m Standardized Test Prep Chapter 12

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Multiple Choice, continued 12. What is the wavelength of the sound wave shown in the figure? F m G m H m J m Standardized Test Prep Chapter 12

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Multiple Choice, continued 13. If a sound seems to be getting louder, which of the following is probably increasing? A. speed of sound B. frequency C. wavelength D. intensity Standardized Test Prep Chapter 12

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Multiple Choice, continued 13. If a sound seems to be getting louder, which of the following is probably increasing? A. speed of sound B. frequency C. wavelength D. intensity Standardized Test Prep Chapter 12

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Multiple Choice, continued 14. The Doppler effect occurs in all but which of the following situations? A. A source of sound moves toward a listener. B. A listener moves toward a source of sound. C. A listener and a source of sound remain at rest with respect to each other. D. A listener and a source of sound move toward or away from each other. Standardized Test Prep Chapter 12

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Multiple Choice, continued 14. The Doppler effect occurs in all but which of the following situations? A. A source of sound moves toward a listener. B. A listener moves toward a source of sound. C. A listener and a source of sound remain at rest with respect to each other. D. A listener and a source of sound move toward or away from each other. Standardized Test Prep Chapter 12

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Multiple Choice, continued 15. If the distance from a point source of sound is tripled, by what factor is the sound intensity changed? F. 1/9 G. 1/3 H. 3 J. 9 Standardized Test Prep Chapter 12

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Multiple Choice, continued 15. If the distance from a point source of sound is tripled, by what factor is the sound intensity changed? F. 1/9 G. 1/3 H. 3 J. 9 Standardized Test Prep Chapter 12

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Multiple Choice, continued 16.Why can a dog hear a sound produced by a dog whistle, but its owner cannot? A. Dogs detect sounds of less intensity than do humans. B. Dogs detect sounds of higher frequency than do humans. C. Dogs detect sounds of lower frequency than do humans. D. Dogs detect sounds of higher speed than do humans. Standardized Test Prep Chapter 12

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Multiple Choice, continued 16.Why can a dog hear a sound produced by a dog whistle, but its owner cannot? A. Dogs detect sounds of less intensity than do humans. B. Dogs detect sounds of higher frequency than do humans. C. Dogs detect sounds of lower frequency than do humans. D. Dogs detect sounds of higher speed than do humans. Standardized Test Prep Chapter 12

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Multiple Choice, continued 17.The greatest value ever achieved for the speed of sound in air is about 1.0  10 4 m/s, and the highest frequency ever produced is about 2.0  Hz. If a single sound wave with this speed and frequency were produced, what would its wavelength be? F. 5.0  10 –6 m G. 5.0  10 –7 m H. 2.0  10 6 m J. 2.0  m Standardized Test Prep Chapter 12

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Multiple Choice, continued 17.The greatest value ever achieved for the speed of sound in air is about 1.0  10 4 m/s, and the highest frequency ever produced is about 2.0  Hz. If a single sound wave with this speed and frequency were produced, what would its wavelength be? F. 5.0  10 –6 m G. 5.0  10 –7 m H. 2.0  10 6 m J. 2.0  m Standardized Test Prep Chapter 12

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Multiple Choice, continued 18. The horn of a parked automobile is stuck. If you are in a vehicle that passes the automobile, as shown in the diagram, what is the nature of the sound that you hear? Standardized Test Prep Chapter 12 A. The original sound of the horn rises in pitch B. The original sound of the horn drops in pitch. C. A lower pitch is heard rising to a higher pitch. D. A higher pitch is heard dropping to a lower pitch.

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Multiple Choice, continued 18. The horn of a parked automobile is stuck. If you are in a vehicle that passes the automobile, as shown in the diagram, what is the nature of the sound that you hear? Standardized Test Prep Chapter 12 A. The original sound of the horn rises in pitch B. The original sound of the horn drops in pitch. C. A lower pitch is heard rising to a higher pitch. D. A higher pitch is heard dropping to a lower pitch.

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Multiple Choice, continued 19.The second harmonic of a guitar string has a frequency of 165 Hz. If the speed of waves on the string is 120 m/s, what is the string’s length? F m G m H. 1.1 m J. 1.4 m Standardized Test Prep Chapter 12

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Multiple Choice, continued 19.The second harmonic of a guitar string has a frequency of 165 Hz. If the speed of waves on the string is 120 m/s, what is the string’s length? F m G m H. 1.1 m J. 1.4 m Standardized Test Prep Chapter 12

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Short Response 20. Two wind instruments produce sound waves with frequencies of 440 Hz and 447 Hz, respectively. How many beats per second are heard from the superposition of the two waves? Standardized Test Prep Chapter 12

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Short Response 20. Two wind instruments produce sound waves with frequencies of 440 Hz and 447 Hz, respectively. How many beats per second are heard from the superposition of the two waves? Answer: 7 beats per second (7 Hz) Standardized Test Prep Chapter 12

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Short Response, continued 21. If you blow across the open end of a soda bottle and produce a tone of 250 Hz, what will be the frequency of the next harmonic heard if you blow much harder? Standardized Test Prep Chapter 12

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Short Response, continued 21. If you blow across the open end of a soda bottle and produce a tone of 250 Hz, what will be the frequency of the next harmonic heard if you blow much harder? Answer: 750 Hz Standardized Test Prep Chapter 12

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Short Response, continued 22. The figure shows a string vibrating in the sixth harmonic. The length of the string is 1.0 m. What is the wavelength of the wave on the string? Standardized Test Prep Chapter 12

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Short Response, continued 22. The figure shows a string vibrating in the sixth harmonic. The length of the string is 1.0 m. What is the wavelength of the wave on the string? Answer: 0.33 m Standardized Test Prep Chapter 12

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Extended Response, continued Be sure to show all of your work. A pipe that is open at both ends has a fundamental frequency of 456 Hz when the speed of sound in air is 331 m/s. 21. How long is the pipe? Standardized Test Prep Chapter 12

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Extended Response, continued Be sure to show all of your work. A pipe that is open at both ends has a fundamental frequency of 456 Hz when the speed of sound in air is 331 m/s. 21. How long is the pipe? Answer: m Standardized Test Prep Chapter 12

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Extended Response, continued Be sure to show all of your work. A pipe that is open at both ends has a fundamental frequency of 456 Hz when the speed of sound in air is 331 m/s. 22. What is the frequency of the pipe’s second harmonic? Standardized Test Prep Chapter 12

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Extended Response, continued Be sure to show all of your work. A pipe that is open at both ends has a fundamental frequency of 456 Hz when the speed of sound in air is 331 m/s. 22. What is the frequency of the pipe’s second harmonic? Answer: 912 Hz Standardized Test Prep Chapter 12

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Extended Response, continued Be sure to show all of your work. A pipe that is open at both ends has a fundamental frequency of 456 Hz when the speed of sound in air is 331 m/s. 23. What is the fundamental frequency of this pipe when the speed of sound in air is increased to 367 m/s as a result of a rise in the temperature of the air? Standardized Test Prep Chapter 12

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Extended Response, continued Be sure to show all of your work. A pipe that is open at both ends has a fundamental frequency of 456 Hz when the speed of sound in air is 331 m/s. 23. What is the fundamental frequency of this pipe when the speed of sound in air is increased to 367 m/s as a result of a rise in the temperature of the air? Answer: 506 Hz Standardized Test Prep Chapter 12

Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Review problems in texbook Pg 387 #1,4 Pg 394 #1,4 Pg 397 #23, 26, 27, 29, 30, 32, 34, 37, 39, 43 Pg 413 #3, 5, 7 Pg 420 #3, 5 Pg 431 #1, 2, 3 Pg 434 #3 – 10, 14, 16, 21, 24-30, 33 Chapter 12 Standardized Test Prep

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