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5. 100 200 300 400 500 Wave Properties Harmonics Wave Behavior Formulas & Graphs Pump Up the Volume Potpourri

6. The property of a sound wave determines the perceived pitch. A 100

7. What is frequency? A 100

8. The type of a mechanical wave since a sound wave is propagated by the compression and rarefaction of air. A 200

9. What is longitudinal? A 200

10. This solely determines the speed of sound. A 300

11. What is the medium? A 300

12. The property of air which primarily determines the speed of sound. A 400

13. What is temperature? A 400

14. The property of the wave that doubles if the frequency is halved in a given medium. A 500

15. What is wavelength? A 500

16. Another term for the first harmonic. B 100

17. What is the fundamental frequency? B 100

18. On a vibrating string, these points experience no displacement. B 200

19. What are nodes? B 200

20. This occurs when an object vibrates at its natural frequency. B 300

21. What is resonance? B 300

22. The frequency of the third harmonic is this many times greater than that of the first harmonic. B 400

23. What is three? B 400

24. The equation for the harmonic series of a pipe open at both ends. B 500

25. What is f n = n v 2L

26. This principle explains why the pitch produced by a moving motorcycle changes as the motorcycle passes an observer. C 100

27. What is the Doppler Effect? C 100

28. This behavior of a sound wave is responsible for creating an echo. C 200

29. What is reflection? C 200

30. This behavior of a sound wave allows sound to bend around small obstacles. C 300

31. What is diffraction? C 300

32. DAILY DOUBLE C 400 DAILY DOUBLE Place A Wager

33. The observable phenomenon that occurs when the wave fronts generated by a rocket precisely align. C 400

34. What is a sonic boom? C 400

35. The number of beats heard per second when a 400 Hz and a 403 Hz tone interfere. C 500

36. What is 3? C 500

37. The reciprocal of period. D 100

38. What is frequency? D 100

39. The point on a graph of a wave that specifies the maximum positive displacement. D 200

40. What is the crest? D 200

41. The equation that relates wave speed to frequency and wavelength. D 300

42. What is v = f λ? D 300

43. The units of the horizontal axis of a graph that specifies the period of a wave. D 400

44. What is seconds? D 400

45. The frequency of a sound wave with wavelength 50 mm and a speed of sound of 343 m/s. D 500

46. What is 6860 Hz? D 500

47. This property of a sound wave determines how loud a sound is perceived. E 100

48. What is amplitude? E 100

49. Describes the ratio of two intensities of sound. E 200

50. What is a decibel? E 200

51. If the decibel level of a sound increases by 10 dB, this property increases by a factor of 10. E 300

52. What is intensity? E 300

53. The threshold of hearing for humans is this number of decibels. E 400

54. What is 0 dB? E 400

55. A yodeler is yodeling in a valley. If the yodel takes 0.25 s to come back to him from one side and 0.5 seconds from the other, how wide is valley? (assume that the speed of sound = 343 m/s). E 500

56. What is 128.6 m? E 500

57. In general, sound travels fastest through this phase of matter. F 100

58. What is a solid? F 100

59. This part of a clarinet is responsible for producing the sound due to its vibration. F 200

60. What is the reed? F 200

61. This part of a guitar is responsible both for the source of the sound and the medium that carries the sound wave. F 300

62. What is the string? F 300

63. A sound whose frequency is higher than can be heard by humans. Also a medical technology used to observe a fetus. F 400

64. What is an ultrasound? F 400

65. ___________ is transferred by waves and is determined by the _______________ of the wave. F 500

66. What is energy, amplitude? F 500

67. The Final Jeeparty Category is: Wave Graphs Please record your wager. Click on screen to begin

68. The frequency of the wave displayed on this graph: Click on screen to continue seconds

69. What is 0.25 Hz? Click on screen to continue

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