Input interpretation
vanadium | work function
Results
4.3 eV
polycrystalline | 4.3 eV
Threshold frequency
1.04×10^15 Hz (hertz)
Electromagnetic frequency range
NUV (near ultraviolet) | UVB
Unit conversion
6.89×10^-19 J (joules)
Comparisons as energy
≈ 0.32 × Rydberg energy ( ≈ 2.2×10^-18 J )
≈ (0.5 to 2.3) × energy of a covalent bond ( 3×10^-19 to 1×10^-18 J )
≈ 1.8 × energy of a photon of green light ( 2.2 to 2.5 eV )
Corresponding quantities
Thermodynamic temperature T from E = kT: | 49899 K (kelvins)
Photon wavelength λ from E = hc/λ: | 288 nm (nanometers)
Spectroscopic wavenumber ν^~ from ν^~ = E/(hc): | 3.468×10^6 m^(-1) (reciprocal meters) | 34682 cm^(-1) (reciprocal centimeters)