The electromagnetic spectrum
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The full electromagnetic spectrum

The full electromagnetic spectrum

Electromagnetic spectrum from radio waves to gamma rays with the visible colours marked and arrows showing frequency increasing as wavelength decreases

Electromagnetic radiation is energy transferred by transverse waves, and these waves can travel through a vacuum. That is why sunlight can travel through space to Earth.

The electromagnetic spectrum Lesson

  1. GCSE
  2. /Physics
  3. /The electromagnetic spectrum