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31 Cards in this Set
- Front
- Back
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most common radiation used for communications
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RADIO
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only portion of spectrum humans can see with the naked eye
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VISIBLE or OPTICAL
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two types of radiation used in medicine
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X-RAY and GAMMA RAY
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radiation perceived as heat
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INFRARED (IR)
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radiation that penetrates upper layers of human skin
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ULTRAVIOLET (UV)
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radiation with the longest wavelength
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RADIO
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radiation with the shortest wavelength
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GAMMA RAY
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radiation with the highest frequency
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GAMMA RAY
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radiation with the lowest frequency
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RADIO
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color with the highest frequency
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VIOLET
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color with the lowest frequency
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RED
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color with the longest wavelength
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RED
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color with the shortest wavelength
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VIOLET
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order of colors from low to high frequency
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ROYGBV
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order of radiation from long to short wavelength
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RADIO, MICROWAVE, IR, VISIBLE, UV, X-RAY, GAMMA RAY
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highest peak of a wave
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CREST
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lowest point on a wave
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TROUGH
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the height of a wave (from midline to crest or trough)
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AMPLITUDE
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how often a wave occurs
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FREQUENCY
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means one wave/second
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HERTZ (Hz)
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the distance from one point on a wave the the next repeating point
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WAVELENGTH
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as wavelength increases, frequency...
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DECREASES
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as wavelength increases, energy
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DECREASES
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as wavelength increases, speed
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STAYS THE SAME
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as wavelength increases, danger to life
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DECREASES
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As frequency increases, wavelength...
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DECERASES
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As frequency increases, energy...
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INCREASES
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As frequency increases, danger to life...
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INCREASES
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As frequency increases, temperature...
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INCREASES
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As frequency increases, speed...
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STAYS THE SAME (assuming in a vacuum)
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electromagnetic waves are created by..
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VIBRATING CHARGED PARTICLES
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