Midterm Review Exam Name:______

A) A and G B) B and FC) C and E D) D and F

1. The diagram below represents a transverse wave.

The wavelength of the wave is equal to the distancebetween points

A)

B)

C)

D)

2. Which wave diagram has both wavelength ( ) andamplitude (A) labeled correctly?

A) frequency B) amplitudeC) wavelength D) speed

3. The energy of a sound wave is most closely related tothe wave's

A) 4.0 s B) 6.0 s C) 8 cm D) 4 cm

4. The graph below represents the displacement of aparticle in a medium over a period of time.

The amplitude of the wave is

A) mass, onlyB) energy, onlyC) both mass and energyD) neither mass nor energy

5. When a wave travels through a medium, the wavetransfers

A) frequency B) wavelengthC) speed D) direction

6. If monochromatic light passes from water into airwith an angle incidence of 35°, which characteristicof the light will remain the same?

A) light waves B) microwavesC) ultraviolet waves D) sound waves

7. Transverse waves are to radio waves as longitudinalwaves are to

Base your answers to questions 8 through 10 on thediagram of a Slinky spring shown below.

A) AB B) AC C) AD D) AE

8. The interval representing one wavelength is

A) A and B B) A and CC) B and C D) B and D

9. The points that represent condensations are

A) longitudinal waveB) light waveC) transverse waveD) water wave

10. The type of wave represented on the Slinky is a

A) higher frequency and a shorter wavelengthB) higher frequency and a longer wavelengthC) lower frequency and a shorter wavelengthD) lower frequency and a longer wavelength

11. The diagram below represents the wave fronts produced by a point source moving to the right in auniform medium. Observers are located at points A and B.

Compared to the wave frequency and wavelength observed at point A, the wave observed at point B has a

A) B)C) D)

12. What is the period of a sound wave having afrequency of 340. hertz?

A) 1 Hz B) 60 HzC) 1 s D) 60 s

13. A physics student takes her pulse and determinesthat her heart beats periodically 60 times in 60seconds. The period of her heartbeat is

A) 0.5 s B) 2 s C) 8 s D) 4 s

14. While sitting in a boat, a fisherman observes thattwo complete waves pass by his position every 4seconds. What is the period of these waves?

A) 80 s B) 0.2 s C) 5 s D) 4 s

15. What is the period of a wave if 20 crests pass anobserver in 4 seconds?

A) 0.30 Hz B) 2.0 HzC) 1.5 Hz D) 18 Hz

16. A boy pushes his sister on a swing. What is thefrequency of oscillation of his sister on the swing ifthe boy counts 90. complete swings in 300. seconds?

A) seconds it takes to complete one cycle of awave

B) cycles of a wave completed in one secondC) points that are in phase along one meter of a

waveD) points that are out of phase along one meter of

a wave

17. The hertz is a unit that describes the number of

A) 6.0 m/s B) 2.0 m/sC) 8.0 m/s D) 4.0 m/s

18. The diagram below represents a periodic wavetraveling through a uniform medium.

If the frequency of the wave is 2.0 hertz, the speedof the wave is

A) 0.50 m B) 2.0 mC) 5.0 m D) 50. m

19. A periodic wave having a frequency of 5.0 hertz anda speed of 10. meters per second has a wavelength of

A) longer wavelength B) higher speedC) longer period D) higher frequency

20. A stationary police officer directs radio wavesemitted by a radar gun at a vehicle moving towardthe officer. Compared to the emitted radio waves,the radio waves reflected from the vehicle andreceived by the radar gun have a

A) Observer A is moving toward point S, andobserver B is stationary.

B) Observer A is moving away from point S, andobserver B is stationary.

C) Observer A is stationary, and observer B ismoving toward point S.

D) Observer A is stationary, and observer B ismoving away from point S.

21. In the diagram below, a stationary source located atpoint S produces sound having a constant frequencyof 512 hertz. Observer A, 50. meters to the left of S,hears a frequency of 512 hertz. Observer B, 100.meters to the right of S, hears a frequency lower than512 hertz.

Which statement best describes the motion of theobservers?

A) They require a medium.B) They transfer energy.C) They are mechanical waves.D) They are longitudinal waves.

22. What is characteristic of both sound waves andelectromagnetic waves?

A) is a longitudinal waveB) possesses energy inversely proportional to its

frequencyC) diffracts and accelerates in airD) transfers energy without transferring mass

23. A television remote control is used to direct pulses ofelectromagnetic radiation to a receiver on atelevision. This communication from the remotecontrol to the television illustrates thatelectromagnetic radiation

A) a node B) an antinodeC) a standing wave D) a pulse

24. A single vibratory disturbance moving through amedium is called

A) nodes B) antinodesC) a polarized wave D) a periodic wave

25. A series of pulses generated at regular time intervalsin an elastic medium will produce

A) resonance B) refractionC) reflection D) diffraction

26. The diagram below shows a series of wave frontsapproaching an opening in a barrier. Point P islocated on the opposite side of the barrier.

The wave fronts reach point P as a result of

A) reflection B) refractionC) diffraction D) standing waves

27. The diagram below shows wave fronts spreadinginto the region behind a barrier.

Which wave phenomenon is represented in thediagram?

A) B)

C) D)

28. Which diagram below best represents the phenomenon of diffraction?

A) reflection B) refractionC) polarizaton D) diffraction

29. The diagram below shows straight wave frontspassing through an opening in a barrier.

This wave phenomenon is called

A) reflection B) diffractionC) refraction D) absorption

30. The diagram below shows a wave phenomenon.

The pattern of waves shown behind the barriers isthe result of

A) 1.5 × 1023m B) 1.7 × 106mC) 6.0 × 10–7 m D) 2.0 × 10–15 m

31. Orange light has a frequency of 5.0 × 1014 hertz in avacuum. What is the wavelength of this light?

A) 2.0 × 10–15 Hz B) 5.0 × 101 HzC) 1.8 × 1014 Hz D) 5.0 × 1014 Hz

32. What is the frequency of a light wave with awavelength of 6.0 × 10–7 meter traveling throughspace?

A) speed B) frequencyC) wavelength D) energy per photon

33. When x-ray radiation and infrared radiation aretraveling in a vacuum, they have the same

A) speed B) phaseC) frequency D) wavelength

34. In a vacuum, all electromagnetic waves have thesame

A) emission of light from an energy-leveltransition in a hydrogen atom

B) diffraction of light passing through a narrowopening

C) absorption of light by a black sheet of paperD) reflection of light from a mirror

35. Which phenomenon provides evidence that light hasa wave nature?

A) reflectionB) illuminationC) interferenceD) the photoelectric effect

36. Which phenomenon is best explained by the wavetheory?

A) can be polarizedB) has wave propertiesC) can be reflectedD) is composed of tiny units of energy

37. Diffraction of light demonstrates that light

A) dispersion B) diffractionC) internal reflection D) polarization

38. The diagram below shows sunglasses being used toeliminate glare.

Which phenomenon of light is represented in thediagram?

A) energy, onlyB) matter, onlyC) both energy and matterD) neither energy nor matter

39. A light wave strikes the Moon and reflects towardEarth. As the light wave travels from the Moontoward Earth, the wave carries

A) shorter wavelength and less energyB) shorter wavelength and more energyC) longer wavelength and less energyD) longer wavelength and more energy

40. A gamma ray photon and a microwave photon aretraveling in a vacuum. Compared to the wavelengthand energy of the gamma ray photon, the microwavephoton has a

A) interference B) diffractionC) refraction D) resonance

41. The effect produced when two or more sound wavespass through the same point simultaneously is called

A) –6 cm B) 0 cmC) 3 cm D) 6 cm

42. The diagram below represents two identical pulsesapproaching each other in a uniform medium.

As the pulses meet and are superposed, themaximum displacement of the medium is

A) diffraction B) the Doppler effectC) destructive interference D) constructive interference

43. The diagram below shows two waves traveling toward each other at equal speed in a uniformmedium.

When both waves are in the region between points A and B, they will undergo

A) A and B B) A and DC) B and C D) B and D

44. Two speakers, S1 and S2, operating in phase in thesame medium produce the circular wave patternsshown in the diagram below.

At which two points is constructive interferenceoccurring?

A) A B) B C) C D) D

45. The diagram below shows two waves traveling inthe same medium. Points A, B, C, and D are locatedalong the rest position of the medium. The wavesinterfere to produce a resultant wave.

The superposition of the waves produces the greatestpositive displacement of the medium from its restposition at point

A) A and C B) B and F C) C and E D) D and G

46. The diagram below represents a periodic wave.

Which two points on the wave are out of phase?

A) A B) B C) C D) D

47. The diagram below represents a periodic wave.

Which point on the wave is 90° out of phase withpoint P?

A) 0° B) 90° C) 180° D) 270°

48. Two waves having the same amplitude andfrequency are traveling in the same medium.Maximum destructive interference will occur whenthe phase difference between the waves is

A) antinodes A, C, and E B) nodes A, C, and EC) antinodes B and D D) nodes B and D

49. The diagram below represents a standing wave in a string.

Maximum constructive interference occurs at the

A) 4 nodes and 5 antinodesB) 5 nodes and 6 antinodesC) 6 nodes and 5 antinodesD) 6 nodes and 10 antinodes

50. The diagram below represents a standing wave.

The number of nodes and antinodes shown in thediagram is

A) 3 nodes and 2 antinodesB) 2 nodes and 3 antinodesC) 5 nodes and 4 antinodesD) 4 nodes and 5 antinodes

51. The diagram below shows a standing wave in astring clamped at each end.

What is the total number of nodes and antinodes inthe standing wave?

A) 2.15 m B) 4.30 mC) 6.45 m D) 8.60 m

52. While playing, two children create a standing wavein a rope, as shown in the diagram below. A thirdchild participates by jumping the rope.

What is the wavelength of this standing wave?

A) B) C) D)

53. Two waves traveling in the same medium andhaving the same wavelength ( ) interfere to create astanding wave. What is the distance between twoconsecutive nodes on this standing wave?

A) 30 ° B) 60° C) 90° D) 120°

54. The diagram below shows a light ray striking a planemirror.

What is the angle of reflection?

A) A B) B C) C D) D

55. The diagram below represents a view from above ofa tank of water in which parallel wave fronts aretraveling toward a barrier.

Which arrow represents the direction of travel forthe wave fronts after being reflected from thebarrier?

A) 25° B) 35° C) 50.° D) 65°

56. The diagram below represents a light ray reflectingfrom a plane mirror.

The angle of reflection for the light ray is

A) 30.° B) 60.° C) 120.° D) 150.°

57. The diagram below represents a light ray striking theboundary between air and glass.

What would be the angle between this light ray andits reflected ray?

A) 15° B) 30.° C) 60.° D) 90.°

58. A ray of monochromatic light traveling in air isincident on a plane mirror at an angle of 30.°, asshown in the diagram below.

The angle of reflection for the light ray is

A) 0º B) 35º C) 55º D) 70º

59. A ray of light strikes a plane mirror at an angle ofincidence equal to 35º. The angle between theincident ray and the reflected ray is

60. Base your answer to the following question on theinformation and diagram below and on yourknowledge of physics.

One end of a long spring is attached to a wall.A student vibrates the other end of the springvertically, creating a wave that moves to the walland reflects back toward the student, resulting ina standing wave in the spring, as a representedbelow.

A) 6 B) 2 C) 3 D) 4

What is the total number of antinodes on the standingwave in the diagram?

A) 30° B) 60° C) 90° D) 150°

61. What is the angle of incidence of the light ray shownbelow?

A) diffraction B) refractionC) regular reflection D) diffuse reflection

62. The diagram below shows parallel rays of lightincident on an irregular surface.

Which phenomenon of light is illustrated by thediagram?

A) regular reflection B) diffuse reflectionC) polarization D) resonance

63. When a student looks into a plane mirror, she sees avirtual image of herself. However, when she looksinto a sheet of paper, no such image forms. Whichlight phenomenon occurs at the surface of the paper?

A) totally refractedB) totally reflectedC) partially reflected and partially diffractedD) partially reflected and partially refracted

64. The diagram below shows light rays in air about tostrike a glass window.

When the rays reach the boundary between the airand the glass, the light is

A) amplitude B) wavelengthC) velocity D) phase

65. A wave passes through an opening in a barrier. Theamount of diffraction experienced by the wavedepends on the size of the opening and the wave’s

A) decreases B) increasesC) remains the same

66. An interference pattern is observed as light passesthrough two closely spaced slits. As the distancebetween the two slits is decreased, the distancebetween adjacent bright bands in the interferencepattern

Base your answers to questions 67 through 69 on theinformation below.

Light of wavelength 5.4 × 10–7 meter shinesthrough two narrow slits 4.0 × 10–4 meter apartonto a screen 2.0 meters away from the slit.

A) decrease B) increaseC) remain the same

67. Changing the color of the light used to a color with ahigher frequency would cause the distance betweenthe bright lines in the interference pattern to

A) remain the same B) doubleC) halve D) quadruple

68. Reducing the distance between the slits by one-halfwould cause the distance between the bright lines inthe interference pattern to

A) red B) orangeC) green D) violet

69. What is the color of the light?

Base your answers to questions 70 through 72 on the diagram and the information below.

Red light passing through a double slit is producing a stationary interference pattern on a screen asshown on the diagram.

A) decrease B) increaseC) remain the same

70. If a single slit with the same width (W) as one of the double slits were used, the width of the centralmaximum of the interference pattern on the screen would

A) decrease B) increaseC) remain the same

71. If blue light were substituted for the red light source, the distance X between the bright lines of thepattern on the screen would

A) decrease B) increaseC) remain the same

72. If the distance L from the slits to the screen were increased, the distance X between the bright lines ofthe pattern on the screen would

A) It is constructive, and causes a longerwavelength.

B) It is constructive, and causes an increase inamplitude.

C) It is destructive, and causes a shorterwavelength.

D) It is destructive, and causes a decrease inamplitude.

73. The diagram below represents shallow water wavesof constant wavelength passing through two smallopenings, A and B, in a barrier.

Which statement best describes the interference atpoint P?

A) 1 B) 2 C) 3 D) 4

74. The diagram below represents shallow water wavesof wavelength passing through two smallopenings, A and B, in a barrier.

How much longer is the length of path AP than thelength of path BP?

A) short wavelength and narrow openingB) short wavelength and wide openingC) long wavelength and narrow openingD) long wavelength and wide opening

75. Parallel wave fronts incident on an opening in abarrier are diffracted. For which combination ofwavelength and size of opening will diffractioneffects be greatest?

A) amplitude and frequency of the incident waveB) wavelength and speed of the incident waveC) wavelength of the incident wave and the size

of the openingD) amplitude of the incident wave and the size of

the opening

76. A wave is diffracted as it passes through an openingin a barrier. The amount of diffraction that the waveundergoes depends on both the

A)

B)

C)

D)

77. When a ray of light traveling in water reaches aboundary with air, part of the light ray is reflectedand part is refracted. Which ray diagram bestrepresents the paths of the reflected and refractedlight rays?

A) 25° B) 37° C) 40° D) 78

78. A ray of light (f = 5.09 1014 Hz) traveling in air isincident at an angle of 40.° on an air-crown glassinterface as shown below.

What is the angle of refraction for this light ray?

A) smaller B) largerC) the same

79. A ray of monochromatic light is incident on anair-sodium chloride boundary as shown in thediagram below. At the boundary, part of the ray isreflected back into the air and part is refracted as itenters the sodium chloride.

Compared to the ray's angle of refraction in thesodium chloride, the ray's angle of reflection in theair is

A) the bird and the fishB) the bird and the seaweedC) the crab and the seaweedD) the crab and the fish

80. A laser beam is directed at the surface of a smooth,calm pond as represented in the diagram below.

Which organisms could be illuminated by the laserlight?

A) A B) B C) C D) D

81. The diagram below represents a ray ofmonochromatic light ( = 5.09 × 1014 Hz) passingfrom medium X (n = 1.46) into fused quartz.

Which path will the refracted ray follow in thequartz?

A) X could be flint glass and Y could be corn oil.B) X could be corn oil and Y could be flint glass.C) X could be water and Y could be glycerol.D) X could be glycerol and Y could be water.

82. A beam of monochromatic light (f = 5.09 1014 hertz)passes through parallel sections of glycerol, medium X, and medium Y as shown in the diagram below.

What could medium X and medium Y be?

A) The water is warmer than the air.B) Light travels faster in water than in air.C) Light is reflected at the air-water interface.D) Light is refracted as it crosses the air-water

interface.

83. A straight glass rod appears to bend when placed in abeaker of water, as shown in the diagram below.

What is the best explanation for this phenomenon?

A) unchanged B) doubledC) halved D) quadrupled

84. If the speed of a wave doubles as it passes fromshallow water into deeper water, its wavelength willbe

A) frequency B) periodC) wavelength D) phase

85. A change in the speed of a wave as it enters a newmedium produces a change in

A) wavelength and periodB) frequency and periodC) wavelength and speedD) frequency and speed

86. As a monochromatic light ray passes from air intowater, two characteristics of the ray that will not change are

A) traveling with the same speedB) traveling in the same mediumC) in phaseD) superposed

87. The diagram below represents wave fronts travelingfrom medium X into medium Y.

All points on any one wave front shown must be

A) halved B) doubledC) quartered D) quadrupled

88. The absolute index of refraction of medium Y istwice as great as the absolute index of refraction ofmedium X. As a light ray travels from medium X into medium Y, the speed of the light ray is

A) 4.53 × 10–9 m/s B) 2.43 × 102 m/sC) 1.24 × 108 m/s D) 2.21 × 108 m/s

89. What is the speed of light (f = 5.09 × 1014 Hz) inethyl alcohol?

A) 1.00 B) 0.670C) 1.33 D) 1.50

90. The speed of light in a piece of plastic is 2.00 × 108

meters per second. What is the absolute index ofrefraction of this plastic?

91. Base your answer to the following question on thediagram below, which represents a light ray travelingfrom air to Lucite to medium Y and back into air.

A) air, onlyB) Lucite, onlyC) medium Y, onlyD) air, Lucite, and medium Y

Light travels slowest in

A) flint glass B) crown glassC) Lucite D) water

92. A beam of monochromatic light travels through flintglass, crown glass, Lucite, and water. The speed ofthe light beam is slowest in

A) 1.00 B) 0.570C) 1.75 D) 1.94

93. A light ray traveling in air enters a second mediumand its speed slows to 1.71 × 108 meters per second.What is the absolute index of refraction of thesecond medium?

A) 19° B) 25° C) 40.° D) 49°

94. A ray of light (f = 5.09 1014 Hz) traveling in airstrikes a block of sodium chloride at an angle ofincidence of 30.°. What is the angle of refraction forthe light ray in the sodium chloride?

A) 6° B) 20.° C) 30.° D) 47°

95. A ray of monochromatic light (f = 5.09 × 1014 hertz)in air is incident at an angle of 30.° on a boundarywith corn oil. What is the angle of refraction, to thenearest degree, for this light ray in the corn oil?

A) B)C) D)

96. The total amount of electrical energy used by a315-watt television during 30.0 minutes of operationis

A) 1.81 108 m/s B) 1.97 108 m/sC) 3.00 108 m/s D) 4.98 108 m/s

97. What is the speed of light (¦ = 5.09 1014 Hz) inflint glass?

A) 1.1 × 108 m/s B) 2.7 × 108 m/sC) 3.0 × 108 m/s D) 3.3 × 108 m/s

98. The speed of a ray of light traveling through asubstance having an absolute index of refraction of1.1 is

A) 9.67 x 10-4 Hz B) 1.05 x 102 HzC) 1.03 x 103 Hz D) 9.38 x 108 Hz

99. A singer demonstrated that she could shatter acrystal glass by singing a note with a wavelength of0.320 meter in air at STP. What was the naturalfrequency of the glass?

A) loudness B) pitchC) velocity D) wavelength

100. If the amplitude of a sound wave is increased, thereis an increase in the sound's

A) mechanical and transverseB) mechanical and longitudinalC) electromagnetic and transverseD) electromagnetic and longitudinal

101. Sound waves are described as

A) 1.5 × 10–3 m B) 1.7 × 102 mC) 6.6 × 102 m D) 1.5 × 108 m

102. At an outdoor physics demonstration, a delay of0.50 seconds was observed between the time soundwaves left a loudspeaker and the time these soundwaves reached a student through the air. If the air isat STP, how far was the student from the speaker?

A) 0.195 m B) 0.646 mC) 1.55 m D) 5.12 m

103. A 512-hertz sound wave travels 100. meters to anobserver through air at STP. What is thewavelength of this sound wave?

A) 0.453 s B) 2.21 sC) 410. s D) 2.55 × 105 s

104. A person observes a fireworks display from a safedistance of 0.750 kilometer. Assuming that soundtravels at 340. meters per second in air, what is thetime between the person seeing and hearing thefireworks explosion?

A) refraction B) diffractionC) resonance D) the Doppler effect

105. Glass may shatter when exposed to sound of aparticular frequency. This phenomenon is anexample of

A) diffraction B) refractionC) resonance D) the Doppler effect

106. When air is blown across the top of an open waterbottle, air molecules in the bottle vibrate at aparticular frequency and sound is produced. Thisphenomenon is called

A) diffraction B) reflectionC) refraction D) resonance

107. One vibrating 256-hertz tuning fork transfersenergy to another 256-hertz tuning fork, causingthe second tuning fork to vibrate. This phenomenonis an example of

A) the Doppler effect B) reflectionC) refraction D) resonance

108. Ultrasound is a medical technique that transmitssound waves through soft tissue in the human body.Ultrasound waves can break kidney stones into tinyfragments, making it easier for them to be excretedwithout pain. The shattering of kidney stones withspecific frequencies of sound waves is anapplication of which wave phenomenon?

A) resonance B) refractionC) reflection D) diffraction

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

A) 128 cm B) 64 cmC) 32 cm D) 24 cm

110. What is the wavelength of a sound produced by atuning fork resonating with a 16 centimeter air tubethat is open at both ends?

A) 5 cm B) 20 cmC) 40 cm D) 80 cm

111. A tuning fork resonates over an air tube 20centimeters long that is closed at one end. Thewavelength of the sound produced by the tuningfork is

A) 1 m B) 2 m C) 8 m D) 4 m

112. A closed pipe 2 meters long will produce a soundwave having a wavelength of

A) one-half as greatB) twice as greatC) one-fourth as greatD) four times as great

113. Compared to the length of a closed air column, thewavelength of the sound which produces resonanceis

A) 8 m B) 2 mC) 0.5 m D) 4 m

114. A 2-meter tube closed at one end will produce asound wave whose wavelength is

A) frequency B) wavelengthC) amplitude D) speed

115. The length of a vibrating air column is shortened.The sound wave produced by the shortened aircolumn will have an increase in

A) 2.8 m B) 14 mC) 0.70 m D) 0.35 m

116. A student blows air across the end of a pipe that isopen at both ends. If the wavelength of the noteproduced was 1.4 meters, what was the length ofthe pipe?

117. Base your answer to the following question on onthe diagram and information below. When avibrating tuning fork is placed over an air column16 centimeters long and closed on one end, thesound becomes louder.

A) 64 cm B) 32 cmC) 16 cm D) 4.0 cm

The wavelength of the sound produced is

Answer KeyMidterm Exam Review MC only

1. B2. C3. B4. D5. B6. A7. D8. B9. B10. A11. A12. D13. C14. B15. B16. A17. B18. C19. B20. D21. D22. B23. D24. D25. D26. D27. C28. A29. D30. B31. C32. D33. A34. A35. B36. C

37. B38. D39. A40. C41. A42. D43. D44. B45. A46. D47. B48. C49. C50. C51. C52. D53. C54. B55. C56. A57. C58. B59. D60. C61. B62. D63. B64. D65. B66. B67. A68. B69. C70. B71. A72. B

73. D74. B75. C76. C77. B78. A79. B80. A81. C82. A83. D84. B85. C86. B87. C88. A89. D90. D91. C92. A93. C94. A95. B96. A97. A98. B99. C100. A101. B102. B103. B104. B105. C106. C107. D108. D

109. A110. C111. D112. C113. D114. A115. A116. C117. A