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| a disturbance that transfers energy across a field |
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Definition
| an area where an object can apply force |
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| area of space empty of matter |
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Definition
| energy being transferred in a vacuum |
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| low frequency, long wavelength (purple end) |
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| high frequency, short wavelength (red end) |
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| just below visible spectrum |
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| just above visible spectrum |
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Definition
| light produced with little or no heat |
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Definition
| can be used to treat illness |
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Definition
| an EM wave bouncing off an object |
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Definition
| the passage of an EM wave through an object |
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Definition
| the disappearance of an EM wave into a medium |
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| light in which all waves vibrate in the same direction |
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Definition
| the spreading out out of light rays in all directions |
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