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Electromagnetic Spectrum

takriban dakika 1 kusoma

Majadiliano
Mada za sehemu hiiWavesMada 5
  1. Introduction to Waves
  2. Sound Waves
  3. Musical Sound
  4. Electromagnetic Spectrum
  5. Applications of Electromagnetic Wave in Daily Life

The electromagnetic spectrum is the range of all possible frequencies of electromagnetic radiation. The "electromagnetic spectrum" of an object has a different meaning, and is instead the characteristic distribution of electromagnetic radiation emitted or absorbed by that particular object

The electromagnetic spectrum extends from below the low frequencies used for modern radio communication to gamma radiation at the short-wavelength (high frequency) end, thereby covering wavelengths from thousands of kilometers down to a fraction of the size of an atom.

  1. It is continuous i.e each band merges into the next and there are no gaps in the frequencies.
  2. In some case, there is an overlap in the range of wavelength. This is because sometimes the name given to the wave (radiation) is determined by the source and not the wavelength.

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