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1. An electromagnetic wave is traveling west with electric eld vector oscillating vertically up and dowa. Its magnetic eld vector is oscillating a. north-south b. east-west. c. vertically up and down 2. Which of these types of EM wares has the longest wavelength in vacuum? light. d. blue light eultraviolet.f AI radio a. x-rays. b. infrared. c. red li 3. T F Garage door openers use lower frequency EM waves than wireless internet technology 4. T F Mieroware ovens use EM wares of about the same frequency as wireless interaet technology 5. TF The main absorber of ultraviolet light in Earths atmosphere is methane (CH4). g. all tie
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