Energy-Wavelength Relationship

Inverse relationship between the wavelength of electromagnetic radiation, λ, (Å) and the photon energy, E, (Joules):

Conversion to Ångstroms and electron volts (1 eV = 1.6021 x 10-19 Joule) yields Duane-Hunt equation:

Some or all content above used with permission from J. H. Wittke.

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