Input interpretation
lead | threshold frequency
Result
1.028×10^15 Hz (hertz)
Work functions
4.25 eV
polycrystalline | 4.25 eV
Electromagnetic frequency range
NUV (near ultraviolet) | UVB
NUV (near ultraviolet) | UVB
Comparison as frequency
≈ 0.31 × Rydberg frequency ( 3.2898419603×10^15 Hz )
Corresponding quantities
Wavelength λ of electromagnetic radiation from λ = c/ν: | 292 nm (nanometers) | 2.9×10^-7 meters | 1.1×10^-5 inches
Spectroscopic wavenumber of electromagnetic radiation ν^~ from ν^~ = ν/c: | 34279 cm^(-1) (reciprocal centimeters)
Angular frequency ω from ω = 2πν: | 6.457×10^15 rad/s (radians per second)
Photon energy E from E = hν: | 4.3 eV (electronvolts)