Input interpretation
tungsten | work function
Results
(4.32 to 5.22) eV
polycrystalline | 4.55 eV (100) plane | 4.63 eV (110) plane | 5.22 eV (111) plane | 4.45 eV (113) plane | 4.46 eV (116) plane | 4.32 eV
Threshold frequency
(1.045×10^15 to 1.262×10^15) Hz (hertz)
Electromagnetic frequency range
NUV (near ultraviolet)
Unit conversion
(6.9×10^-19 to 8.38×10^-19) J (joules)
Corresponding quantities
Thermodynamic temperature T from E = kT: | (49978 to 60729) K (kelvins)
Photon wavelength λ from E = hc/λ: | (236 to 288) nm (nanometers)
Spectroscopic wavenumber ν^~ from ν^~ = E/(hc): | (3.5×10^6 to 4.2×10^6) m^(-1) (reciprocal meters) | (34736 to 42209) cm^(-1) (reciprocal centimeters)