Input interpretation
lithium | threshold frequency
Result
7.085×10^14 Hz (hertz)
Work functions
2.93 eV
polycrystalline | 2.93 eV
Electromagnetic frequency range
visible light
visible light
Unit conversion
708.5 THz (terahertz)
Comparison as frequency
≈ ( 0.22 ≈ 1/5 ) × Rydberg frequency ( 3.2898419603×10^15 Hz )
Corresponding quantities
Wavelength λ of electromagnetic radiation from λ = c/ν: | 423 nm (nanometers) | 4.2×10^-7 meters | 1.7×10^-5 inches
Spectroscopic wavenumber of electromagnetic radiation ν^~ from ν^~ = ν/c: | 23632 cm^(-1) (reciprocal centimeters)
Angular frequency ω from ω = 2πν: | 4.451×10^15 rad/s (radians per second)
Photon energy E from E = hν: | 2.9 eV (electronvolts)