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I/GCSE Physics - Electromagnetic Spectrum

Edexcel Physics Electromagnetic Spectrum

· igcse physics,gcse physics,edexcel,electromagnetic,spectrum

The Electromagnetic spectrum uses:

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Radio Waves:📡

  • Transmitting television and radio programmes
  • communications between different places and satellite transmissions

Microwaves:🌭

  • Satellite communication
  • mobile phones
  • cooking

Infrared:💡

  • Grills, toasters, heaters
  • remote controls(short range communication)
  • Optical fibre communication
  • treatment of muscular problems 
  • night vision (thermal imaging) and security systems

Visible light:👀

  • Vision
  • photography
  • illumination

Ultraviolet:☀️

  • Fluorescent lamp and secuity coding
  • sunbeds
  • detecting forged bank notes
  • disinfecting water

X-rays:🏥

  • Producing shadow pictures of bones and metals to observe the internal structure of objects and animals in medical x-rays 
  • airport security scanners

Gamma Rays:💥

  • Detecting cancer and treating it by killing cancer cells
  • killing bacteria on food and sterilising surgical instruments 
You will have to remember the uses and the types of EM waves in I/GCSE Physics.

Thats the end of today's topic!

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References: http://labman.phys.utk.edu/phys222core/modules/m6/The%20EM%20spectrum.html

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Drafted by Catrina (Physics)

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