Input interpretation
thorium | threshold frequency
Result
8.221×10^14 Hz (hertz)
Work functions
3.4 eV
polycrystalline | 3.4 eV
Electromagnetic frequency range
NUV (near ultraviolet) | UVA
NUV (near ultraviolet) | UVA
Unit conversion
822.1 THz (terahertz)
Comparison as frequency
≈ ( 0.25 ≈ 1/4 ) × Rydberg frequency ( 3.2898419603×10^15 Hz )
Corresponding quantities
Wavelength λ of electromagnetic radiation from λ = c/ν: | 365 nm (nanometers) | 3.6×10^-7 meters | 1.4×10^-5 inches
Spectroscopic wavenumber of electromagnetic radiation ν^~ from ν^~ = ν/c: | 27423 cm^(-1) (reciprocal centimeters)
Angular frequency ω from ω = 2πν: | 5.166×10^15 rad/s (radians per second)
Photon energy E from E = hν: | 3.4 eV (electronvolts)