The Electromagnetic Spectrum

Radio Waves

  • Source: electronic circuits
  • Detector: aerial
  • Uses: communications, radio, TV
  • Dangers of over exposure: safe unless very concentrated

Microwaves

  • Source: electronic circuits
  • Detector: aerial
  • Uses: communicacions, radio, TV
  • Dangers of over exposure: burning if concentrated

Infra Red

  • Source: electronic devices, warm objects, sun
  • Detector: electronic detectors, heat-sensitive papers, black-bulb thermometer
  • Uses: detector in security lighting, remote controls eg TV
  • Dangers of over exposure: burning if concentrated

Visible Light

  • Source: electronic devices eg LED, sun
  • Detector: eye, photographic film, electronic components eg LDR
  • Uses: seeing…

Comments

No comments have yet been made

Similar Physics resources:

See all Physics resources »See all Waves resources »

The Electromagnetic Spectrum

Radio Waves

  • Source: electronic circuits
  • Detector: aerial
  • Uses: communications, radio, TV
  • Dangers of over exposure: safe unless very concentrated

Microwaves

  • Source: electronic circuits
  • Detector: aerial
  • Uses: communicacions, radio, TV
  • Dangers of over exposure: burning if concentrated

Infra Red

  • Source: electronic devices, warm objects, sun
  • Detector: electronic detectors, heat-sensitive papers, black-bulb thermometer
  • Uses: detector in security lighting, remote controls eg TV
  • Dangers of over exposure: burning if concentrated

Visible Light

  • Source: electronic devices eg LED, sun
  • Detector: eye, photographic film, electronic components eg LDR
  • Uses: seeing…

Comments

No comments have yet been made