EM Waves

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  • Created by: belllily
  • Created on: 12-04-18 12:24
Visible Light Wavelengths
what human eyes can detect: 390-780 nanometers, 3.9 to 7.8x10^-7 m
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Radio Wavelength
10^-1 to 10^5 m
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Micro Wavelength
10^-1 to 10^-3 m
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Infrared Wavelength
10^-3 to red, 7.8x10^-7 m
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Ultraviolet Wavelength
3.9x10^-7 (violet) to 10^-8 m
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Xrays (and Gamma) Wavelength
10^-8 to 10^-12 m, Gamma shorter than 10^-12 m
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What defines if a wave is Xray or Gamma?
The source- gamma rays are emitted by the nucleus in decay, rays are generated when electrons accelerate
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Estimate Radio Frequency
10^3 Hz
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Estimate Visible Frequency
10^15 Hz
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Estimate Gamma Frequency
10^24 Hz
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Define Electromagnetic Wave
A transverse wave. Propagating perpendicular electric (E) and magnetic fields (B). They are in phase with one-another.
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Define transverse wave.
A wave in which the medium oscillates at right angles to the direction of its propagation.
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Other cards in this set

Card 2


Radio Wavelength


10^-1 to 10^5 m

Card 3


Micro Wavelength


Preview of the front of card 3

Card 4


Infrared Wavelength


Preview of the front of card 4

Card 5


Ultraviolet Wavelength


Preview of the front of card 5
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