planck frequency

Fetched 2026-10-26 (cache).

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Noun

1. {{lb|en|physics}} A repeating event that occurs once every [[Planck time]], with a [[frequency]] of <math> F_p = \frac{1}{2\pi}\sqrt{\frac{c^5}{\hbar G}} = E_P/h \approx 2.952 \times 10^{42} \mbox{ Hz}.</math> this frequency is said to be the upper bound for the frequency of an electromagnetic ray or cosmic rays.

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