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Thermal Radiation

  • Infra-red electromagnetic radiation.
  • Can travel thorugh a vacuum (no particles).
  • Travels as a wave.
  • Cooking uses infra-red e.g. grill, toaster...
  • Travels at the speed of light 3000000000 m/s
  • Travels in straight lines.
  • Just beyond the red end of the visible spectrum (longer wavelength than red).
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