Input interpretation
lutetium | work function
Results
3.3 eV
polycrystalline | 3.3 eV
Threshold frequency
7.979×10^14 Hz (hertz)
Electromagnetic frequency range
NUV (near ultraviolet) | UVA
Unit conversion
5.29×10^-19 J (joules)
Comparisons as energy
≈ ( 0.24 ≈ 1/4 ) × Rydberg energy ( ≈ 2.2×10^-18 J )
≈ (0.4 to 1.7) × energy of a covalent bond ( 3×10^-19 to 1×10^-18 J )
≈ 1.4 × energy of a photon of green light ( 2.2 to 2.5 eV )
Corresponding quantities
Electromagnetic wave frequency ν from E = hν: | 798 THz (terahertz) | 7.979×10^14 Hz (hertz)
Thermodynamic temperature T from E = kT: | 38295 K (kelvins)
Photon wavelength λ from E = hc/λ: | 376 nm (nanometers)
Spectroscopic wavenumber ν^~ from ν^~ = E/(hc): | 2.662×10^6 m^(-1) (reciprocal meters) | 26616 cm^(-1) (reciprocal centimeters)