Input interpretation
copper | work function
Results
(4.48 to 5.1) eV
(100) plane | 5.1 eV (110) plane | 4.48 eV (111) plane | 4.94 eV (112) plane | 4.53 eV
Threshold frequency
(1.083×10^15 to 1.233×10^15) Hz (hertz)
Electromagnetic frequency range
NUV (near ultraviolet) | UVC
Unit conversion
(7.16×10^-19 to 8.19×10^-19) J (joules)
Corresponding quantities
Thermodynamic temperature T from E = kT: | (51835 to 59337) K (kelvins)
Photon wavelength λ from E = hc/λ: | (242 to 278) nm (nanometers)
Spectroscopic wavenumber ν^~ from ν^~ = E/(hc): | (3.6×10^6 to 4.1×10^6) m^(-1) (reciprocal meters) | (36027 to 41241) cm^(-1) (reciprocal centimeters)