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Equation
       
    Name Energy of Photon
 
    Equation E = h ⁢ f
 
    Definition of terms

E = energy, h = Planck's constant, f = frequency

 
    Comments

  The energy of a photon is proportional to its frequency, the constant of proportionality being called Planck's constant, after Max Planck, who discovered this relation.

 
    References

Quantum Physics of Atoms, Molecules, Solids, Nuclei and Particles, R Eisberg, R Resnick, John Wiley & Sons, 2nd edition, 1985

       


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