Physical Science Test Form A Test 5: Waves. Matching. 1. diffraction

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1 Physical Science Test Form A Test 5: Waves Matching. 1. diffraction 2. intensity 3. interference 4. mechanical wave 5. medium 6. pitch 7. reflection 8. refraction 9. translucent 10. transverse wave A. A material in which no light can pass through and nothing can be seen B. A material in which some light can pass through and can be clearly seen C. A material in which some light can pass through but cannot be clearly seen D. A rhythmic disturbance which carries energy from one location to another. E. A wave in which the medium moves at right angles to the wave direction. F. A wave in which the medium moves parallel to the wave direction. G. Any material through which a wave can transfer energy. H. The amount of energy carried in a wave; can be measured using the amplitude. I. The bending of a wave due it passing through a narrow opening or around an obstacle. J. The bending of a wave due its ability to bounce a surface in which it cannot pass K. the bending of a wave due to a change in its speed. L. The highness or lowness of sound. M. The phenomena which occurs when two or more waves combine. Multiple Choice. 11. A mechanical wave moves through a medium which can be a. Solid b. Liquid c. Gas d. All of the above 12. In comparison to other electromagnetic waves, which of the following statements about gamma rays is true? a. They have the longest wavelength. b. They have the lowest frequency. c. They have the lowest amplitude. d. They have the highest photon energy. 1

2 13. If the source of a sound is moving away from you, what characteristic of the sound waves reaching your ears decreases? a. quality b. velocity c. frequency d. wavelength 14. What do you need to know to calculate the frequency of a wave? a. its wavelength and amplitude b. its speed and the type of medium it travels through c. its amplitude and speed d. its speed and wavelength 18. In an earthquake, a P wave is a longitudinal wave. It moves through soil and rock as a a. wavy line. b. series of faults. c. series of compressions and rarefactions. d. series of crests and troughs 19. A period is a length of time it takes for a. a disturbance to start a wave. b. two complete wavelengths to pass a fixed point. c. a wave to travel a length of a rope. d. one complete wavelength to pass a fixed point. 15. Why are the waves in this diagram curved after they pass through the opening? a. They have been reflected. b. They have been diffracted. c. They have been refracted. d. They have formed a standing wave. 16. How do X-rays compare to other electromagnetic waves? a. X-rays have the longest wavelengths. b. X-rays have the lower frequencies than ultraviolet rays. c. X-rays have the lowest photon energy. d. X-rays can penetrate matter that regular light waves cannot. 20. What kind of wave is being generated? a. Longitudinal wave b. Transverse wave c. Compressional wave d. Standing wave 21. Waves combine to make a wave with larger amplitude in a process called a. destructive interference b. constructive interference c. reflection d. refraction 17. If the frequency of a transverse wave were to increase, then the wavelength would. a. increase b. decrease c. remain the same d. none of the above 2

3 22. Using the diagram, what is labeled D? a. Compression b. Crest c. Amplitude d. Trough 23. Using the diagram, what is the frequency for the wave? a. 2 m/s b. 2 Hz c. 3 m/s d. 3 Hz 24. Using the diagram, what part of the wave measures the amount of energy carried by the wave? a. Amplitude b. Crest c. Wavelength 25. Transverse and longitudinal waves both a. have compressions and rarefactions. b. transfer energy through a medium. c. move at right angles to the vibration of the medium. d. are capable of moving the medium a long distance. 26. Using the diagram, what is the wavelength for Wave 2? (Each block = 1 mm) a. 1 mm b. 2 mm c. 3 mm d. 6 mm 27. Using the diagram, what is the amplitude for Wave 1? (Each block = 1mm) a. 1 mm b. 2 mm c. 3 mm d. 6 mm 28. Using the diagram, what is the process being demonstrated? a. Law of reflection b. Constructive interference c. Destructive interference d. Law of diffraction 29. A wave has a wavelength of 15 mm and a frequency of 4.0 hertz. What is its wave velocity? a. 60 mm/s b. 60 hertz/s c. 3.8 mm/s d mm/s 30. A sound wave is an example of a a. transverse wave b. longitudinal wave c. standing wave d. surface wave 3

4 31. In which medium does sound travel the fastest? a. Salt water b. Air c. Copper wire d. Fresh water 35. Using the diagram, which wave has the greater energy? a. Wave A b. Wave B c. Both have the same amount of energy 36. Electromagnetic waves a. can travel through a medium. b. can travel without a medium. c. cannot travel without a medium. d. Both A and B e. All of the above 32. Using the diagram, which observer would hear the pitch lower than the other observer? a. Observer A b. Observer B c. Both observers 33. Using the diagram, how would describe the frequency of the siren in front of the ambulance in relation to the back of the ambulance? a. Higher than the back of the ambulance b. Lower than the back of the ambulance c. The same in the front and the back of the ambulance d. Cannot be determined according to the diagram 37. Which type of wave has the highest frequency of all the radio waves? a. Gamma rays b. Microwaves c. Infrared rays d. UV rays 38. The only part of the electromagnetic spectrum that we can see is the a. Radio wave b. Gamma ray c. Infrared ray d. Visible light 39. The full range of frequencies of electromagnetic radiation is called a. visible light b. radio waves c. the electromagnetic spectrum d. invisible radiation 34. Using the diagram, which wave has the higher frequency? a. Wave A b. Wave B c. Both have the same frequency 40. The waves with the longest wavelengths in the electromagnetic spectrum are a. Infrared rays b. Radio waves c. Gamma rays d. X-rays 4

5 Angle A Angle B 41. Using the diagram, what is the measurement for angle A if angle is equal to 50? a. 25 b. 40 c. 50 d Using the diagram, what is the process demonstrated? a. Interference b. Law of refraction c. Law of reflection d. Concave mirror 43. What type of lens does the human eye contain? a. Plane b. Convex c. Concave 45. What type of vision problem does the above diagram display if the convex lens is used to correct? a. Nearsightedness b. Farsightedness c. Astigmatism 46. What type of image does a convex lens usually produce? a. Larger b. Smaller c. Same 47. The electromagnetic waves which are used at airports to look inside of luggage are a. Gamma rays b. X-rays c. UV rays d. FM waves 48. Which color has the highest frequency? a. Red b. Green c. Blue d. Violet 49. What type of mirror is curved out? a. Plane b. Concave c. Convex d. All of the above 44. What type of image does the above diagram produce? a. Usually a smaller b. Usually a larger c. Stays the same 50. Which behavior is responsible when a spectrometer displays the colors of the rainbow? a. Refraction b. Reflection c. Diffraction d. Interference 5