On Sun, Aug 31, 2025 at 2:23 PM Alan Grayson <agrayson2...@gmail.com> wrote:


> *>>> Does Einstein's formula for the energy of a photon violate the
> Uncertainty Principle?*
>
>
> *>> If it had then Einstein wouldn't have received the Nobel prize for the
> photoelectric effect. The shorter the amount of time you're examining the
> less certain you are of how much energy is in that interval. *
>
>

>
> *> The formula for the energy of a photon gives an EXACT value. No
> uncertainty as far as I can see. AG *
>

*Einstein's equation E=hf gives the value of the energy you'd most likely
measure for a photon over a period of time determined by the frequency f.*


*  John K Clark    See what's on my new list at  Extropolis
<https://groups.google.com/g/extropolis>*

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