Electromagnetic field and people?

  • Thread starter Thread starter sun m
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sun m

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I know short wavelength are bad for people and long wavelength are not. The short wavelength like Ultraviolet,X-rays ,Gamma rays are bad.

But wavelength are a type of energy.And if the the wavelength is small enough it can cause molecules to break appart .But the amount of energy carried in a wavelength I do not understand .How can they up the energy ? In the old days cell phones had alot of energy in the wavelength and now the energy is low in the wavelength .

What is radiation mean in this subject? I know what radiation means just not in this subject.


Also what does this mean.

Quote The amount of energy carried in a photon of the radiation isalso wavelength dependant.

Quote Intensity; intensity is the number of photons hitting you at one time.
 
the amount of energy would be the amplitude of the wave....the shorter wavelength are higher frequencies..
 
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