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**Physics, Astronomy & Cosmology / Re: Has E=mc2 been proved practically? **

« **on:**04/12/2023 20:10:38 »

Zero, the equation E=MCsq relates mass to energy. For a massless particle like a photon we use E=hF where h is the planck constant and F is the frequency. Theses symbols are not correct and I hope I am being clear, I can only find the reduced planck which is h/2pi.

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