Input interpretation
lanthanum | threshold frequency
Result
8.463×10^14 Hz (hertz)
Work functions
3.5 eV
polycrystalline | 3.5 eV
Electromagnetic frequency range
NUV (near ultraviolet) | UVA
NUV (near ultraviolet) | UVA
Unit conversion
846.3 THz (terahertz)
Comparison as frequency
≈ 0.26 × Rydberg frequency ( 3.2898419603×10^15 Hz )
Corresponding quantities
Wavelength λ of electromagnetic radiation from λ = c/ν: | 354 nm (nanometers) | 3.5×10^-7 meters | 1.4×10^-5 inches
Spectroscopic wavenumber of electromagnetic radiation ν^~ from ν^~ = ν/c: | 28229 cm^(-1) (reciprocal centimeters)
Angular frequency ω from ω = 2πν: | 5.317×10^15 rad/s (radians per second)
Photon energy E from E = hν: | 3.5 eV (electronvolts)