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31 Cards in this Set

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