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11 Cards in this Set
- Front
- Back
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Electromagntic waves |
a transverse wave consisting of changing electric and magnetic fields |
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Electromagnetic radiation |
the transfer of energy by electromagnetic waves |
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Wavelength |
the distance between a point on a wave and the same point on the next cycle of the wave |
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Frequency |
the number of complete cycles per unit time for a periodic motion |
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Photons |
a packet of electromagnetic energy |
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Intensity |
the rate at which a wave's energy flows through a given unit of area |
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Infrared Light |
Infrared rays are used a source of heat and to discover areas of heat differences |
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Visible Light |
Visible lights are used to see to help keep them safe and communicate with one another |
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Ultraviolet Rays |
Ultraviolet rays have application in health and medicine, and in agriculture |
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X-rays |
x-rays are used in medicine, industry, and transportation to make pictures of the inside of solid objects |
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Gamma Rays |
Gamma rays are used in the medical field to kill cancer cells and make pictures of the brain and in industrial siutations as an inspection tool |
