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Frequency / Wavelength / Energy
Convert between spectral units for electromagnetic radiation
Wavelength (nm)
Wavelength (µm)
Frequency (THz)
Wavenumber (cm⁻¹)
Photon Energy (eV)
c = λν
,
E = hν = hc/λ
c = 299,792,458 m/s | h = 6.626×10⁻³⁴ J·s