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  • Dentist uses X-rays to image your teeth
  • Ultraviolet radiation is emitted by the Sun and are the reason skin tans and burns.
  • Doctors use gamma ray in the treatment of dangerous diseases.
  • Can anyone tell me the uses or the definition of any of these regions?
  • Goodbye ma'am!
  • Goodbye ma'am!
  • That's all for today, goodbye!
  • Goodbye ma'am!
  • Goodbye ma'am!
  •  As you can see in the board, the radio wave has the longest wavelength but has the lowest frequency means it has the lowest energy .
  • You are all right!
  • Does anyone have idea about our topic?
  • How do moving charges create magnetic fields?
  • Our topic for today is Electromagnetic waves.
  • Electromagnetic waves are waves which can travel through the vacuum of outer space.
  • Electromagnetic waves are formed when an electric field couples with a magnetic field.
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