Waves review practice questions
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1 Name: ate: 1. The diagram shown represents four waves traveling to the right in the same transmitting medium. 4. Which wave has the greatest amplitude?.... Which type of wave is represented? 5. Which characteristic is determined by the source of a wave train and will not change when the wave passes into another medium?. elliptical. longitudinal. torsional. transverse. frequency. wavelength. velocity. amplitude 2. Within a vacuum, the property common to all electromagnetic waves is their. amplitude. frequency. wavelength. velocity 6. The pattern shown was recorded by a tape timer. The space between the dots represents 0.02 second. What is the frequency of the timer? cycle/sec. 5 cycles/sec 3. The diagram shown represents four waves traveling to the right in the same transmitting medium.. 50 cycles/sec. 500 cycles/sec 7. Which waves require a medium for transmission? Which wave has the greatest frequency?. light waves. radio waves. sound waves. cosmic waves.... page 1
2 8. Which part of the longitudinal waveform shown represents a rarefaction? 12. Which type of wave is classified as longitudinal?. water. radio. sound. light Water drips from a faucet at the rate of 150 drops in 120 seconds. What is the period? sec. 1.3 sec 9. Which area of the longitudinal waveform area best represents the wavelength of the wave shown?. 75 sec. 300 sec. and. and., only. 14. The diagram here represents four waves traveling to the right in the same transmitting medium. 10. In the wave diagram shown, one wavelength is the distance from point to which point?. E... Which wave has the greatest frequency? 11. The diagram here represents a light ray being reflected from a plane mirror. From the data given in the diagram, what is the angle of reflection? In the diagram shown, which distance represents one wavelength?. to. to. to. to F page 2
3 16. If the angle of incidence of a light ray is 30, the angle of reflection is s a wave travels into a different medium with a change in direction, there will be a change in the wave s. speed. frequency. period. phase 17. The diagrams shown represent an undisturbed medium and a medium through which a disturbance is moving. Which is represented by area? 20. If a disturbance is parallel to the direction of travel of a wave, the wave is classified as. longitudinal. electromagnetic. transverse. torsional. amplitude. condensation. rarefaction. reflection 21. Which diagram best represents a periodic wave traveling though a uniform medium? 18. The diagram illustrates the wave pattern formed when a stone is dropped into still water. What does the collection of points on the outermost circle represent?..... a wave front. a wavelength. the frequency. the period page 3
4 22. Two pulses are traveling along a string toward each other as represented in the diagram shown. Which phenomenon will occur as the pulses meet 25. The diagram shows a light ray being reflected from a plane mirror. What is the angle of reflection?. reflection. diffraction. interference. refraction When a light ray is reflected from a surface, the ratio of the angle of incidence to the angle of reflection is 26. Which two wave representations in the diagram have the same amplitude?. less than one. greater than one. equal to one. and. and 24. When the stretched string of the apparatus represented is made to vibrate, point P does not move. Point P is most probably at the location of. and. and 27. The wavelength of the periodic wave shown in the diagram is 4.0 meters. What is the distance from point to point?. a node. an antinode. maximum amplitude. maximum pulse. 1.0 m. 2.0 m. 3.0 m. 4.0 m page 4
5 28. Two waves of the same wavelength (λ) interfere to form a standing wave pattern as shown in the diagram. What is the straight-line distance between consecutive nodes?. 1λ. 2λ 32. What is the period of a periodic wave that has a frequency of 60 hertz? s s s s. 1 2 λ. 1 4 λ 29. periodic wave with a frequency of 10 hertz would have a period of 33. How many nodes are represented in the standing wave diagram?. 1 s. 0.1 s. 10 s. 100 s 30. s shown in the diagram, a transverse wave is moving along a rope. In which direction will segment X move as the wave passes through it? down, only. up, only. down, then up. up, then down 34. The diagram pictured shows radar waves being emitted from a stationary police car and reflected by a moving car back to the police car. The difference in apparent frequency between the incident and reflected waves is an example of 31. The diagram shows the direction of water waves moving along path XY toward a barrier. Which arrow represents the direction of the waves after they have reflected from the barrier?..... constructive interference. refraction. the oppler effect. total internal reflection page 5
6 35. The diagram shows a transverse pulse moving to the right in a string. Which diagram best represents the motion of point P as the pulse passes point P?. 37. Two wave sources operating in phase in the same medium produce the circular wave patterns shown in the diagram. The solid lines represent wave crests and the dashed lines represent wave troughs. Which point is at a position of maximum destructive interference? The periodic wave in the diagram shown has a frequency of 40 hertz. What is the speed of the wave? 38. The distance between successive antinodes in the standing wave pattern shown is equal to. 1 wavelength. 2 wavelengths. 1 2 wavelength. 1 3 wavelength. 13 m/s. 27 m/s. 60 m/s. 120 m/s page 6
7 39. Which diagram best represents the reflection of light from an irregular surface? 41. Which graph best represents the relationship between the frequency and period of a wave? The diagram shown represents a wave generator having a constant frequency of 12 hertz producing parallel wave fronts in a ripple tank. The velocity of the waves is v. 40. The diagram shown represents a rope along which two pulses of equal amplitude,, approach point P. When the two pulses meet at P, the vertical displacement of the rope at point P will be Using a ruler, measure the wavelength of the waves shown and record the value to the nearest tenth of a centimeter etermine the speed of the waves in the ripple tank. [Show all calculations, including the equation and substitution with units.] page 7
8 44. ase your answers to the following question(s) on the information and diagram shown. Two waves, and, travel in the same direction in the same medium at the same time. 47. wave generator located 4.0 meters from a reflecting wall produces a standing wave in a string, as shown in the diagram. If the speed of the wave is 10 meters per second, what is its frequency? Hz. 5.0 Hz. 10 Hz. 40 Hz On the grid, draw the resultant wave produced by the superposition of waves and. 48. The diagram shows two pulses, each of length l, traveling toward each other at equal speed in a rope. Which diagram best represents the shape of the rope when both pulses are in region? 45. What is the amplitude of the resultant wave? 46. The diagram shows two pulses, and, moving to the right along a uniform rope. ompared to pulse, pulse has..... a slower speed and more energy. a faster speed and less energy. a faster speed and the same energy. the same speed and more energy page 8
9 49. ase your answer(s) to the following question(s) on the diagram, which represents waves,,, and traveling in the same medium. 50. The accompanying diagram shows two waves approaching eachother in the same uniform medium. Which two waves shown here have the same wavelength?. and. and. and. 4and 4 Which diagram best represents the appearance of the medium after the waves ahve passed through each other? The accompanying diagram represents a periodic wave. Which two points on the wave are in phase?. and. and G. and K. and I page 9
10 52. s shown in the accompanying diagram, a transverse wave is moving with velocity v along a rope. 54. The accompanying diagram shows a standing wave. Point on the standing wave is In which direction will segment X move as the wave passes through it?. down, only. up, only. down, then up, then down. up, then down, then up. a node resulting from constructive interference. a node resulting from destructive interference. an antinode resulting from constructive interference. an antinode resulting from destructive interference 55. The accompanying diagram shows a plane wave passing through a small opening in a barrier. 53. ase your answer(s) to the following question(s) on the information below. periodic transverse wave has an amplitude of 0.20 meter and a wavelength of 3.0 meters. On the grid provided below, draw at least one cycle of this periodic wave. On the diagram above, sketch four wave fronts after they have passed through the barrier. 56. Rubbing a moistened finger around the rim of a water glass transfers energy to the glass at the natural frequency of the glass. Which wave phenomenon is responsible for this effect? 57. alculate the wavelength in a vacuum of a radio wave having a frequency of hertz. [Show all work, including the equation and substitution with units.] page 10
11 58. Two pulses, and, travel toward each other along the same rope, as shown below. 60. ase your answer(s) to the following question(s) on the information below. periodic wave traveling in a uniform medium has a wavelength of meter, an amplitude of meter, and a frequency of 5.0 hertz. On the grid below, starting at point, sketch a graph of at least one complete cycle of the wave showing its amplitude and period. When the centers of the two pulses meet at point X, the amplitude at the center of the resultant pulse will be. +1 unit. +2 units unit 61. tuning fork that vibrates 256 times per second produces a wave that is 1.50 meters long. The speed of the wave is 59. The diagram below represents a transverse wave moving along a string m/sec. 256 m/sec. 258 m/sec. 384 m/sec On the diagram below, draw a transverse wave that would produce complete destructive interference when superimposed with the original wave 62. In the diagram, four test tubes contain varying amounts of water as shown. If all the air columns are made to vibrate by blowing air across their tops, which will have the highest frequency?.... page 11
12 63. The tendency of sound waves to bend when they pass from one medium to a different medium is known as. refraction. reflection. resonance. interference 65. What occurs as a ray of light passes from air into water?. The ray must decrease in speed.. The ray must increase in speed.. The ray must decrease in frequency.. The ray must increase in frequency. 64. s the temperature of air increases, the speed of sound in air. decreases. increases. remains the same page 12
13 Problem-ttic format version c Educide Software Licensed for use by Simone Shaker Terms of Use at 05/10/
14 Teacher s Key Page cm (±0.1) cm v = 10.8 cm/s resonance, standing waves or sympathetic vibration λ = m or 140 m or 136 m m or 30 cm (or equivalent) 60. amplitude ñ 0.3 grid space. period ñ 0.3 grid space
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