Input interpretation
thallium | work function
Results
3.84 eV
polycrystalline | 3.84 eV
Threshold frequency
9.285×10^14 Hz (hertz)
Electromagnetic frequency range
NUV (near ultraviolet) | UVA
Unit conversion
6.15×10^-19 J (joules)
Comparisons as energy
≈ 0.28 × Rydberg energy ( ≈ 2.2×10^-18 J )
≈ (0.4 to 2) × energy of a covalent bond ( 3×10^-19 to 1×10^-18 J )
≈ 1.6 × energy of a photon of green light ( 2.2 to 2.5 eV )
Corresponding quantities
Electromagnetic wave frequency ν from E = hν: | 929 THz (terahertz) | 9.285×10^14 Hz (hertz)
Thermodynamic temperature T from E = kT: | 44561 K (kelvins)
Photon wavelength λ from E = hc/λ: | 323 nm (nanometers)
Spectroscopic wavenumber ν^~ from ν^~ = E/(hc): | 3.097×10^6 m^(-1) (reciprocal meters) | 30972 cm^(-1) (reciprocal centimeters)