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The wavelength of a sinusoidal wave is the spatial period of the wave—the distance over which the wave's shape repeats, and the inverse of the spatial frequency or wavenumber. Determined by considering the distance between consecutive corresponding points of the same phase, such as crests. Use for wavenumber, wavelength, frequency.

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Hypothetical maximum energy of a single photon [duplicate]

My idea was, that there might be restriction for the minimum wavelength and I thought about the Planck length: $1.616 · 10^{−35}$ m So my hypothetical photons energy would be: $$E=hf=\frac{hc}{\lambda … J s m}}{\text{s m}}$$ which gives me the value: $1.23*10^{10}$ J Is this the maximum amount of energy that a single photon can have, or is the concept of using the planck length as minimal possible wavelength
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