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Jeopardy

Jeopardy. PHY101 Chapter 6 Review Study of Waves. Study of Waves. Basics $100. What is a wave?. ANSWER. Basics $200. Name three categories of waves & given an example. ANSWER. Basics $300. What is the difference between a longitudinal and transverse wave?. ANSWER. Basics $400.

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Jeopardy

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  1. Jeopardy PHY101 Chapter 6 Review Study of Waves

  2. Study of Waves

  3. Basics $100 What is a wave? ANSWER

  4. Basics $200 Name three categories of waves & given an example. ANSWER

  5. Basics $300 What is the difference between a longitudinal and transverse wave? ANSWER

  6. Basics $400 You drop a rock in a pond, and the water waves travel away from the rock with a certain speed. You drop a heavier rock in the water. The speed of the waves in the water from the heavier rock is ________. ANSWER

  7. Parts of a wave $100 What is meant by the amplitude of a wave? ANSWER

  8. Parts of a wave $200 What is meant by a wavelength? ANSWER

  9. Parts of a wave $300 The number of cycles of a wave passing a point per unit time is the wave's __________. ANSWER

  10. Parts of a wave$400 What is the equation for the speed of a wave? ANSWER

  11. Speeds $100 What is the equation for the speed of a wave on a string? ANSWER

  12. Speeds $200 What is the equation for the speed of a sound wave in air as function of temperature? ANSWER

  13. Speeds $300 What is the Doppler Effect? ANSWER

  14. Speeds$400 What is the speed of sound at 0OC? ANSWER

  15. Properties $100 When will a shock wave occur? ANSWER

  16. Properties $200 What is diffraction? ANSWER

  17. Properties $300 What is constructive interference? ANSWER

  18. Properties $400 You shout at a cliff, and hear your echo in 2 seconds. If the speed of sound in the air is 340 m/s, the distance of the cliff from you is_________. ANSWER

  19. Intensity $100 What is the equation for intensity of a pt source? What the SI unit for intensity? ANSWER

  20. Intensity $200 What is the threshold of hearing? ANSWER

  21. Intensity $300 What is the decibel equation? ANSWER

  22. Intensity $400 What is the equation for intensity using frequency and amplitude? ANSWER

  23. Potpourri $100 Ultrasound is used to _______. ANSWER

  24. Potpourri $200 The 3rd harmonic of a complex tone has a frequency of 1,200 Hz. The frequency of the tone is __________. ANSWER

  25. Potpourri $300 A sound with ten times the amplitude of another sound is judged to be _______ . ANSWER

  26. Potpourri $400 Combining two sounds of equal intensity will give a sound level __________ higher than the sound level due to just one of them. ANSWER

  27. Basics$100Answer What is a wave? A wave is a traveling disturbance carries energy and momentum. Back to Jeopardy

  28. Basics$200Answer Name three categories of waves & given an example. Mechanical waves Sound wave, water wave Electromagnetic waves light Matter Waves electron Back to Jeopardy

  29. Basics$300Answer What is the difference between a longitudinal and transverse wave? A longitudinal wave vibrates back & forth in the direction of motion. A transverse wave vibrates perpendicular to the direction of motion. Back to Jeopardy

  30. Basics$400Answer You drop a rock in a pond, and the water waves travel away from the rock with a certain speed. You drop a heavier rock in the water. The speed of the waves in the water from the heavier rock is the same. Back to Jeopardy

  31. Parts of a wave$100Answer What is meant by the amplitude of a wave? The maximum displacement of points on a wave. Back to Jeopardy

  32. Parts of a wave$200Answer What is meant by a wavelength? The peak to peak distance between two waves is the wavelength . Back to Jeopardy

  33. Parts of a wave$300Answer The number of cycles of a wave passing a point per unit time is the wave's frequency. Back to Jeopardy

  34. Parts of a wave$400Answer What is the equation for the speed of a wave? v =frequency * wavelength = f. Back to Jeopardy

  35. Speeds $100Answer What is the equation for the speed of a wave on a string? Back to Jeopardy

  36. Speeds $200Answer What is the equation for the speed of a sound wave in air as function of temperature? V = 20.1 m/(s*K.5)+(T in Kelvin).5 Back to Jeopardy

  37. Speeds $300Answer What is the Doppler Effect? Apparent frequency change due to movement of source or observer. Back to Jeopardy

  38. Speeds $400Answer What is the speed of sound at 0OC? 331 m/s At Room Temperature 340 m/s Back to Jeopardy

  39. Properties $100Answer When will a shock wave occur? When an object moves faster than the speed of the medium. Back to Jeopardy

  40. Properties $200Answer What is diffraction? The bending of a wave. Back to Jeopardy

  41. Properties $300Answer What is constructive interference? Addition of two waves to get a bigger wave. Back to Jeopardy

  42. Properties $400Answer You shout at a cliff, and hear your echo in 2 seconds. If the speed of sound in the air is 340 m/s, the distance of the cliff from you is 340 m. Back to Jeopardy

  43. Intensity $100Answer What is the equation for intensity of a pt source? I = Power/(4pr²) Units in Watts/m² What the SI unit for intensity? Back to Jeopardy

  44. Intensity $200Answer What is the threshold of hearing? IO = 1* 10-12 W/m² Back to Jeopardy

  45. Intensity $300Answer What is the decibel equation? dB = 10 log10 (I/IO) Back to Jeopardy

  46. Intensity $400Answer What is the equation for intensity using frequency and amplitude? IAVERAGE = .5*D*v*(2P*amplitude*frequency)² Back to Jeopardy

  47. Potpourri $100Answer Ultrasound is used a. to form images of internal organs. b. by bats to navigate. c. In automatic focus cameras. d. to control insects. Back to Jeopardy

  48. Potpourri $200Answer The 3rd harmonic of a complex tone has a frequency of 1,200 Hz. The frequency of the tone is 400 Hz. fN = NfO Back to Jeopardy

  49. Potpourri $300Answer A sound with ten times the amplitude of another sound is judged to be 20 dB higher in sound level. Back to Jeopardy

  50. Potpourri $400Answer Combining two sounds of equal intensity will give a sound level 3 dB higher than the sound level due to just one of them. Back to Jeopardy

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