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6. Whichof the following EMW's can both penetrate the atmosphere?

  • infrared & x-rays
  • microwaves & gamma rays
  • radio & visible
  • radio & x-rays
  • gamma-rays & visible

7. X-ray have a frequency of approx of 10^4

  • False
  • True

8. The order from biggest wavelength to smallest is...

  • radio, infrared, microwave, visible, ultraviolet, gamma, x-ray
  • ultraviolet, x-ray, infrared, visible, radio, microwave, gamma
  • radio, microwave, infrared, visble, ultraviolet, x-ray, gamma
  • gamma, x-ray, ultraviolet, visible, infrared, microwave, radio
  • microwaves, gamma rays, x-rays, visible, infrared, radio, ultraviolet