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The frequency and wavelength of EM waves can vary over a wide range of values Scientists refer to the full range of frecuencies that EM rad ation can have as tne eiectromagneic spectrum Electromagnetic waves are used extensively in modern wireless technology Many devices are built to emit and/or receive EM waves at a very specific frequency or within a narrow band of frequencies Here are some examples followed by the r frequencies of operation garage door openers: 40.0 MHz. standard cordiess phones 40 0 to 50 0 MHz baby monitors 49 0 MHz • FM radio stations 88 0 to 108 MHz cell phones 800 to 2100 MHz • Giobal Positioning System: 1227 to 1575 MHz - GPS • microwave ovens: 2450 MHz wireless local area networks 2 4 GHz and 5.0 GHz Part B Which of the following statements correctly describe the various applications listed above? Check all that apply. > View Available Hint(s) None of these technologies use radio waves None of these technologies use lower-frequenc; mcrowaves None of these technologies use higner-irecuency microwaves None of these technclogies use infrared waves O The radiation emitted by some wireless local area net: orks nas the shortest wavelength of al the technolog es sted above All these technologies emit waves with a wavelengih in the range 0 01 to 10 0 m Al tnese technclogies emit waves with a wavelengtn in the range 001 to 10 0 km

The frequency and wavelength of EM waves can vary over a wide range of values Scientists refer to the full range of frecuencies that EM rad ation can have as tne eiectromagneic spectrum Electromagnetic waves are used extensively in modern wireless technology Many devices are built to emit and/or receive EM waves at a very specific frequency or within a narrow band of frequencies Here are some examples followed by the r frequencies of operation garage door openers: 40.0 MHz. standard cordiess phones 40 0 to 50 0 MHz baby monitors 49 0 MHz • FM radio stations 88 0 to 108 MHz cell phones 800 to 2100 MHz • Giobal Positioning System: 1227 to 1575 MHz - GPS • microwave ovens: 2450 MHz wireless local area networks 2 4 GHz and 5.0 GHz Part B Which of the following statements correctly describe the various applications listed above? Check all that apply. > View Available Hint(s) None of these technologies use radio waves None of these technologies use lower-frequenc; mcrowaves None of these technologies use higner-irecuency microwaves None of these technclogies use infrared waves O The radiation emitted by some wireless local area net: orks nas the shortest wavelength of al the technolog es sted above All these technologies emit waves with a wavelengih in the range 0 01 to 10 0 m Al tnese technclogies emit waves with a wavelengtn in the range 001 to 10 0 km

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2B The frequency and wavelength of EM waves can vary over a wide range of values Scientists refer to the full range of freauences that EM rad ation can have as the electromagnetic spectrum Electromagnetic waves are used extensively in modern wireless technology Many devices are built band of frecuencies Here are some examples followed by the r frequencies of operation emit and/or receive EM waves at a very specific frequency or within a narrow garage door openers: 40.0 MHz standard cordless phones 40 0 to 50 0 MHz baby monitors 49 0 MHz FM radio stations 88 0 to 108 MHz cell phones 800 to 2100 MHz. • Giobal Positioning System: 1227 to 1575 MHz - GPS • microwave ovens: 2450 MHz wreless local area networks. 2 4 GHz and 50 GHz Part B Which of the follo:wing statements correctly describe the various applications listed above? Check all that apply. > View Available Hint(s) None of these technologies use radio waves None of these technologies use lower-frequenc; microwaves None of these technologies use higner-irecuency microwaves None of these technclogies use infrared waves The radiation emitted by some wireless local area networks has the shortest wavelength of all the technolog es sted above All these technologies emit waves with a wavelength in the range 0 01 to 10 0 m O All inese technologies emit waves witn a wavelengtn in the range001 to 10 0 km Submit
Transcribed Image Text:2B The frequency and wavelength of EM waves can vary over a wide range of values Scientists refer to the full range of freauences that EM rad ation can have as the electromagnetic spectrum Electromagnetic waves are used extensively in modern wireless technology Many devices are built band of frecuencies Here are some examples followed by the r frequencies of operation emit and/or receive EM waves at a very specific frequency or within a narrow garage door openers: 40.0 MHz standard cordless phones 40 0 to 50 0 MHz baby monitors 49 0 MHz FM radio stations 88 0 to 108 MHz cell phones 800 to 2100 MHz. • Giobal Positioning System: 1227 to 1575 MHz - GPS • microwave ovens: 2450 MHz wreless local area networks. 2 4 GHz and 50 GHz Part B Which of the follo:wing statements correctly describe the various applications listed above? Check all that apply. > View Available Hint(s) None of these technologies use radio waves None of these technologies use lower-frequenc; microwaves None of these technologies use higner-irecuency microwaves None of these technclogies use infrared waves The radiation emitted by some wireless local area networks has the shortest wavelength of all the technolog es sted above All these technologies emit waves with a wavelength in the range 0 01 to 10 0 m O All inese technologies emit waves witn a wavelengtn in the range001 to 10 0 km Submit
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