Revitn, 1. Which wave diagram has both wavelength (2) and amplitude (4) labeled correctly? O, r~ @ <—r>— - The diagram below shows two points, A and B, ona wave train, / How many wavelengths separate point 4 and point B? (1.0 (3) 3.0 (2) 1.5 (4) 0.75 “yy , Waves 3. In the diagram below, the distance between points A and B on a wave is 5.0 meters |} 59m —__.| The wavelength of this wave is () 1.0m 3) 5.0m 2) 20m 4) 4.0m 4, The diagram below shows a person shaking the end ofa rope up and down, producing a disturbance that moves along the length of the rope. Wall Which type of wave is travelling in the rope? (1) torsional (3) transverse (2) longitudinal (4) ellipticalBase your answers to questions § through 7 on on the diagram below which represents four waves traveling to the right in the same transmitting medium. 9. Which two waves have the same wavelength? (1) Aand B (3) B and D (2) Aandc (4) Cand D 10. Base your answer to the following question on the diagram below represents a transverse wave. 8 f 025m 050m 075m 100m 5, What is the wavelength of wave 4? (1) 1.00 m 3) 0.50 m (2) 0.75 m (4) 0.25 m 6. Which wave has the greatest amplitude? wa aye QB @)D 7. Which wave has the greatest frequency (4 ac QB ab Base your answers to questions 8 and 9 on the diagram below, which represents waves 4, B, C, and D traveling in the same medium. 8. Which wave has the longest period? (ya QB Bc @D SHS ‘How many cycles are shown in the diagram? ai @)3 2 (Ls 11. The diagram below represents a transverse wave The distance between which two points identifies the amplitude of the wave? (1) Aand B 3) Aand (2) Aand C (4) DandE 12. ‘The energy of a sound wave is most closely related to its (1) period (3) frequency (2) amplitude (4) wavelength13. What are the amplitude and wavelength of the wave shown below? —— o2dm Xf Pf c's (1) amplitude = 0.10 m, wavelength = 0.30 m (2) amplitude = 0.10 m, wavelength = 0.60 m (3) amplitude = 0.20 m, wavelength = 0.30 m (4) amplitude = 0.20 m, wavelength = 0.60 m 14, The diagram below shows two waves traveling in the same medium for the same length of time. ‘ The two waves have different (1) amplitudes (3) speeds Q frequencies (4) wavelengths 15. The diagram below represents a wave traveling ina uniform medium, Which characteristic of the wave is constant? (1) amplitude (2) frequeney (3) period (4) wavelength 16. Asa transverse wave travels through a medium, the individual particles of the medium move (1) perpendicular to the direction of wave travel (2) parallel to the direction of wave travel 8) incircles (4) in ellipses 17. A transverse wave passes though a uniform material medium from left to right, as shown in the diagram below. Which diagram best represents the direction of vibration of the particles of the medium? w @) o \ @)18. 19, As shown in the diagram below, a transverse wave is moving with velocity v along a rope. Rope x In which direction will segment Y move as the wave passes through it? (1) down, only (2) up, only (3) down, then up, then down (4) up, then down, then up ‘The diagram below shows a transverse wave moving toward the left along a rope. Wave Vly Fy “nat err, ry ‘At the instant shown, point P on the rope is moving toward the (1) bottom of the page (3) left of the page (2) top ofthe page (4) right of the page 20. The diagram below shows a pulse moving to the right in a rope 4 eel ces Which arrow best shows the direction of movement of point 4 at this instant? ‘a point on the rope. —_ ay @) @) @2. The graph below shows displacement versus time for a parti through the medium. 2 2 Displacement (m) 2 3 0.01 What is the frequeney of the wave? () 10Hz (2) 20Hz 0.05, 3) SOHz Je of a uniform medium as a wave passes 0.10 Time (8) (4) 100 Hz 22. 23, ‘The diagram below shows a transverse wave moving to the right along a rope. WS ‘As the wave passes point X, the motion of X will be (1) up, then down, (2) down, then up (3) left, then right (4) ina circle ‘The diagram below shows a transverse water wave moving in the direction shown by velocity vector v. —_ c<— Wa o What is the speed of the wave? Q) 13nvs 2) 27 m/s (3) 60. m/s (4) 120 mis 49. ‘What is the velocity of a wave having a frequency of 25 cycles per second and a wavelength of 10 meters? (1) 2.5 mis (3) 35 m/s (2) 15 mis (4) 250 m/s50, A wave generator located 4.0 meters from a reflecting wall produces a standing wave in a string, as shown in the diagram below. Wave Generator If the speed of the wave is 10. meters per second, what is its frequency? (1) 0.40 Hz 3) 10. Hz (2) 5.0 He (4) 40. Hz 51. Inthe diagram below, a water wave having a speed of 0.25 meter per second causes a cork to ‘move up and down 4.0 times in 8.0 seconds. v= 0.25 m/s ‘cork What is the wavelength of the water wave? (1) Lom Q) 8.0m (2) 2.0m (4) 0.50m 52. A wave traveling at 5.0 x 10‘ meters per second has a wavelength of 2.5 « 10! meters, What is the frequeney of the wave? (1) 1.25 x 106 Hz (2) 2.0 « 10? Hz (3) 5.0 « 104 Hz (4) 5.0 « 10° Hz. A student sces a train that is moving away from her and sounding its whistle at a constant frequency. Compared to the sound produced by the whistle, the sound observed by the student is (1) greater in amplitude 2) a transverse wave rather than a longitudinal wave (3) higher in pitch (4) lower in piteh A train sounds a whistle of constant frequency as it leaves the train station. Compared to the sound emitted by the whistle, the sound that the passengers standing on the platform hear has a frequeney that is (1) lower, because the sound-wave fronts reach the platform at a frequency lower than the frequeney at which they are produced (2) lower, because the sound-wave travels more slowly in the still air above the platform than in the rushing air near the train (3) higher, because the sound-wave fronts reach the platform at a frequency higher than the frequeney at which they are produced (4) higher, because the sound-wave travels faster in the still air above the platform than in the rushing air near the train . A source of waves and an observer are moving, relative to cach other. The observer will detect a steadily increasing frequency if (1) he moves toward the source at a constant speed (2) the source moves away from him at a constant speed (3) he accelerates toward the source (4) the source accelerates away from him56. Base your answer to the following question on the information and diagram below. A system consists of an oscillator and a speaker that emits a 1,000.-hertz, sound wave. A microphone detects the sound wave 1,00 meter from the speaker. eB Oscillator 4,00 m: C= Microphone Speaker ‘The microphone is moved at constant speed from the 0.50-meter position back to its original position 1,00 meter from the speaker. Compared to the 1,000.-hertz frequency emitted by the speaker, the frequeney detected by the moving microphone is (1) lower (2) higher (3) the same 57. A sound of constant frequency is produced by the siren on top of a firehouse, Compared to the frequency produced by the siren, the frequency observed by a firefighter approaching the firehouse is (1) lower (2) higher (3) the same 58, A source of sound waves approaches a stationary observer through a uniform medium, Compared to the frequency and wavelength of the emitted sound, the observer would detect waves with a (1) higher frequency and shorter wavelength (2) higher frequency and longer wavelength (3) lower frequeney and shorter wavelength (4) lower frequency and longer wavelength 59. The driver of a car blows the horn as the car approaches a crosswalk. Compared to the actual pitch of the horn, the pitch observed by a pedestrian in the crosswalk is (1) lower (3) the same (2) higher 60. As two trucks approach each other, the driver of ‘one truck sounds his horn, Compated to the true frequeney of the horn when the trucks are stationary, the frequency heard by the other driver will be (1) lower (2) higher (3) the same 61. Two waves having the same frequency and. amplitude are traveling in the same medium. Maximum constructive interference occurs at points where the phase difference between the ‘two superposed waves is, (yor (2) 90° (3) 180° (4) 270°62. ‘The diagram below represents two pulses approaching each other. Which diagram best represents the resultant pulse at the instant the pulses are passing through each other? a @ QB) 4 63. ‘The diagram below represents two waves of equal amplitude and frequency approaching point P as they move through the same medium. ‘As the two waves pass through each other, the medium at point P will (1). vibrate up and down (3). vibrate into and out of the page (2) vibrate left and right (4) remain stationary64. 65. Two pulses, A and B, travel toward cach other along the same rope, as shown below. “or aL EEN 2 tA 4 Bo X B 4 M4 2 When the centers of the two pulses meet at point LX, the amplitude at the center of the resultant pulse will be (2) +1 unit (2) #2 units )0 (4) “1 unit ‘The diagram below represents the wave pattern produced by two sources located at points A and B. Wave fronts Hf Which phenomenon occurs at the intersections of the circular wave fronts? (1) diffraction (3) refraction (2) interference (4) reflection 66. 67. 68. 69. ‘Two waves having the same amplitude and the same frequency pass simultaneously through a uniform medium. Maximum destructive interference occurs when the phase difference between the two waves is (a) 0° (3) 180° (2) 90° (4) 360° The diagram below shows two sources, A and B, vibrating in phase in the same uniform medium and producing circular wave fronts. — Crests - - = Troughs Which phenomenon occurs at point ?? (1) destructive interference (2) constructive interference (3) reflection (4) refraction The diagram below represents two waves traveling simultaneously in the same medium. At which of the given points will maximum constructive interference occur? ac @)D (DA @B Which phenomenon is produced by two or more waves passing simultaneously through the same region? (2) refraction (2) diffraction (3) imterference (4) reflection70. The diagram below shows two pulses, each of length X, traveling toward each other at equal speed ina rope. aft HN 1 bea, 1 i 1 I an) whee a I \e2 Which diagram best represents the shape of the rope when both pulses are in region AB? al\,fr8 A_/sNB wo ) r\ 7p A___a @ @ 71. Two wave sources operating in phase in the same medium produce the circular wave patterns shown in the diagram below. The solic lines represent wave crests and the dashed lines represent wave troughs. Which point is at a position of maximum, destructive interference? aa QB ac @D 72. Inthe diagram below, two speakers are connected to a sound generator. The speakers produce a sound pattern of constant frequency such that a listener will hear the sound very well at 4 and C, but not as well at point B. Which wave phenomenon is illustrated by this experiment? (1) interference (2) polarization (3) reflection (4) refraction 73. ‘The diagrams below show four waves that pass simultaneously through a region. Which two waves will produce maximum constructive interference if they are combined? (D dandc (3) B and C Q AandB (4) Cand D74, The diagram below represents a periodic wave. Which point on the wave is in phase with point Pr? aa gc QB @)D 75. ‘The diagram below represents a transverse wave traveling in a string. Which two labeled points are 180° out of phase?” (1) AandD (2) Band F (3) Dand F (4) Dand H 76. ‘The diagram below shows a periodic wave. Which points are in phase with each other? (1) Aand C (3) Band C (2) AandD (4) Cand D 77. ‘Two waves traveling in the same medium and having the same wavelength (X) interfere to create a standing wave. What is the distance between two consecutive nodes on this standing wave? aya (2) 3h 4 @a 2 a 478. The diagram below represents a wave moving toward the right side of this page. SY Which wave shown below could produce a standing wave with the original wave? NI ONY oO” a oO ao 79. ‘The superposition of two waves traveling in the same medium produces a standing wave pattern if the two waves have (J) the same frequency, the same amplitude, and. travel in the same direction (2) the same frequency, the same amplitude, and travel in opposite directions (3) the same frequency, different amplitudes, and travel in the same direction (4) the same frequency, different amplitudes, and travel in opposite directions 80. Standing waves in water are produced most often by periodic water waves (1) being absorbed at the boundary with a new medium (2) refracting at a boundary with a new medium (3) diffracting around a barrier (4) reflecting from a barrier 81. The diagram below shows a standing wave. 82, A Point A on the standing wave is (1) anode resulting from constructive interference (2) anode resulting from destructive interference (3) an antinode resulting from constructive interference (4) an antinode resulting from destructive interference How many nodes are represented in the standing, wave diagram below? 3 a4 at 6 . When an opera singer hits a high-piteh note, a glass on the opposite side of the opera hall shatters. Which statement best explains this phenomenon? (1) The frequency of the note and natural vibration frequency of the glass are equal. (2) The vibrations of the note are polarized by the shape of the opera hall. (3) The amplitude of the note increases before it reaches the glass. (4) The singer and glass are separated by an integral number of wavelengths.84, The distance between successive antinodes i the standing wave pattern shown at the right is equal to (1) | wavelength ) 1/2 wavelength (2) 2wavelengths (4) 1/3 wavelength 85. The diagram below represents shallow water waves of constant wavelength passing through ‘vo small openings, 4 and B, in a barrier. (WERRES — Crest === Trough Which statement best describes the interference at point P? (1) It is constructive, and causes a longer wavelength, 2 Itis constructive, and causes an increase in amplitude. (3) It is destructive, and causes a shorter wavelength. (4) Itis destructive, and causes a decrease in amplitude,86, The diagram below represents shallow water waves of wavelength A. passing through two small openings, 4 and B, in a barrier. Crest | Wave | ~>>>~ Trough motion How much longer is the length of path AP than the length of path BP? a) 1h @) 2 @) 3A ya 87. The diagram below represents shallow water | 88. A wave is diffracted as it passes through an waves of wavelength 2, passing through two opening in a barrier. The amount of diffraction small openings, A and B, in a barrier. ‘that the wave undergoes depends on both the (1) amplitude and frequeney of the incident wave (2) wavelength and speed of the incident wave (3) wavelength of the incident wave and the size of the opening (4) amplitude of the incident wave and the size of the opening 89, Waves pass through a 10.-centimeter opening in a barrier without being difiracted. This observation provides evidence that the wavelength of the waves is (1) much shorter than 10. cm (2) equal to 10. cm (3) longer than 10. cm, but shorter than 20. em, (4) longer than 20. em Compared to the length of path BP, the length of path AP is (1) 1A longer (3) Ja. longer (2) 24 longer (4) the same90. The diagram below represents straight wave fronts passing from deep water into shallow water, with a change in speed and direction, Deep water Shallow water Which phenomenon is illustrated in the diagram? (1) reflection (2) refraction (3) diffraction (4) interference 91. Which diagram best illustrates wave refraction? | 94, Periodic waves with a wavelength of 0.05 meter move with a speed of 0.30 meter per second. = SE When the waves enter a dispersive medium, they — travel at 0.15 meter per second. What is the —_—— — vhat is oa wavelength of the waves in the dispersive YK == medium? (1) 20.m (3) 0.05 m o 6) Q) 18m (4) 0.025 m XE 95. If the speed of a wave doubles as it passes from os shallow water into deeper water, its wavelength EE will be Ze (1) unchanged (3) halved = (2) doubled (4) quadrupled @ @) ; 96, A car traveling at 70 kilometers per hour accelerates to pass a truck, When the car reaches 92. The change in the direction of a wave when it a speed of 90 kilometers per hour the driver passes obliquely from one medium to another is hears the glove compartment door start to alled vibrate. By the time the speed of the car is 100 (1) diffraction 6) reffaction kilometers per hour, the glove compartment (2) interference (4) superposition door has stopped vibrating, This vibrating phenomenon is an example of 93, A change in the speed of a wave as it enters a (1) the Doppler effect new medium produces a change in (2) diffraction (1) frequeney (3) wavelength (3) resonance . (2) period (4) phase (4) destructive imerferenceBase your answers to questions 97 through 99 on the information below. A student generates a series of transverse waves of varying frequency by shaking one end of a loose spring. All the waves move along the spring at a speed of 6.0 meters per second. 97. Draw the best-fit line or curve. 98. On the grid below, plot the data points for wavelength versus frequency. Wavelength vs. Frequency 60 50 40 30 Wavelength (rm) 20 10 0 0 10 20 30 40 50 69 99. Complete the data table below by determining, the wavelengths for the frequencies given. Data Table Frequency | Wavelength (Hz) {m) 10 2.0 30 60Base your answers to questions 100 and 101 on the information and diagram below. A student standing on a dock observes a piece of wood floating on the water as shown below. Asa ‘water wave passes, the wood moves up and down, rising to the top of a wave crest every 5.0 seconds. (Net drawn to scale) 100, Calculate the speed of the water waves. [Show all work, including the equation and substitution with units. 101, Calculate the frequency of the passing water waves. [Show all work, including the equation and substitution with units.] Base your answers to questions 102 through 104 on the information below. A periodic wave traveling in a uniform medium has a wavelength of 0,080 meter, an amplitude of 0.040 .ncter, and a frequency of 5.0 hertz. Particle Displacement vs. Time 0.060) Particle Displacement (tm) 0.060) 102. Calculate the speed of the wave. [Show alll work, including the equation and substitution with units.] 103. Determine the period of the wave, 104. On the grid above, starting at point 4, sketch a graph of at least one complete eyele of the wave showing its amplitude and period. Base your answers to questions 105 and 106 on the information below. A transverse wave with an amplitude of 0.20 meter and wavelength of 3.0 meters travels toward the right ina medium with a speed of 4.0 meters per second. 0.30 0.20 0.10 0.00 -0.10 -0.20 -0.30 Amplitude (m) 0.0 3.0 Distance (m) 6.0 105. Calculate the period of the wave.106, On the diagram place an X at each of vo points that are in phase with each other. Base your answers to questions 107 through 109 on the information and diagram below. ‘Three waves, 4, B, and C:travel 12 meters in 2.0 seconds through the same medium as shown in the diagram below. 107. What is the speed of wave B? 108. What is the amplitude of wave C? 109. What is the period of wave 4?Base your answers to questions 110 through 113 on the inform n and diagram below. The diagram represents a wave generator having a constant frequency of 12 hertz producing parallel wave fronts in a ripple tank. The velocity of the wave is 110. Ma. 112, RIPPLE TANK. || | Wave | Generator | | | | \ | | Wave Crosts FIPPLE TANK. wave Generate | ( i Baron Using one or more complete sentences, state the Law of Reflection, Using a ruler, measure the wavelength of the waves shown and record the value on your answer paper to the nearest tenth of a centimeter. ions, including the equation and Determine the speed of the waves in the ripple tank, [Show all calcul substitution with units.] 113 On the diagram, use a protractor and straightedge to construct an arrow to represent the direction of the As shown in the diagram a barrier has been placed in the ripple tank. velocity of the reflected waves. |10, WL 1B 14. 15. 16. 17. 18, 19. 21. 22. A, 24, Answer Key 3 25, 49, 4 73. 1 2 26. 50. 2 74. 3 2 20. 51. _4 78. 3 3 28. 52. _2 2 1 29. a 77. _3 1 30. 541 78, 3 2 31. 55. 3 19, 2 2 32. 36. 1 80. 4 2 33. 57. 2 81. __2 4 34. 58. 1. 82. 4 3 35. 59, 2 83. 1 2 36. 60. 2 84. 3 2 31. 61. 1 8s. 4 1 38. 62. 2 86. __2 1 39, 6. 4 87. _3 1 40. 64 88, __3 3 al. 65, 2 89. 4 42. 66, _3 90. 2 i 43. 67, 2 91 4 1 44. 68, 4 92. 3 2: 45. 6. 3 93 3 2 46. 70. 4 94, 4 47. a. _2 95, 2 2 48, 2 1 96, 3Answer Key a wessorel elmer ynms = “113, drawing g40 ¥= (5082)(0080m) or v= 20! # as, v= 040mis cand 3 vedas Boo °F vo 20 ao a0 60103, 0.208 or fs. eaqueny 2) 104, west onesret Tn E aaa} F voce} 98. Correctly plotting all four, ae data points (4 0.3 grid a space). Eo 99. [Data Table Frequency | Wavelength (Hz) (m) 1.0 6.0 105_0.75 Hz or 0.77 Hz. 20 3.0 30) 2.0) ce 60 1.0 : js re Me 100. v= fr oe v= (0.20 Hz)(2.0 m) ant v= 0.40 m/s ” 107. Allow credit for 6.0 ns or 6 mis, ved 30 108. Allow credit for 1.0 m . ae Im, 5.08 or v= 040 mis 109. Allow credit for 0.50 s 101. or 0.5 s. eit 110. Essay 111, 0,009 m or 9mm or f-Al 09 5.08 cm f= 0.20 Hz 112. v= 10.8 cm/s or 108