Input interpretation
![cesium | work function](../image_source/741122a7dcafae48f717003d7efb4b33.png)
cesium | work function
Results
![1.95 eV](../image_source/d9f7459d64c26950f3cf6ff0a0911621.png)
1.95 eV
![polycrystalline | 1.95 eV](../image_source/63b9d1bcf92385d623d92934929e1503.png)
polycrystalline | 1.95 eV
Threshold frequency
![4.715×10^14 Hz (hertz)](../image_source/b11c1ed17c1d6c40f1d915294234215d.png)
4.715×10^14 Hz (hertz)
Electromagnetic frequency range
![visible light](../image_source/7259ac5dfe0f2b57e0ecadae48c582e0.png)
visible light
Unit conversion
![3.12×10^-19 J (joules)](../image_source/405a84975232cc145fb9c7213ae12b12.png)
3.12×10^-19 J (joules)
Comparisons as energy
![≈ (0.2 to 1) × energy of a covalent bond ( 3×10^-19 to 1×10^-18 J )](../image_source/1b5443e1eb7e116d5b2e1b7ef2cd3e3e.png)
≈ (0.2 to 1) × energy of a covalent bond ( 3×10^-19 to 1×10^-18 J )
![≈ (0.7 to 0.8) × energy of a photon of green light ( 2.2 to 2.5 eV )](../image_source/3fa800d0f2dc95149f26c7e7977ee1f9.png)
≈ (0.7 to 0.8) × energy of a photon of green light ( 2.2 to 2.5 eV )
![≈ (1 to 1.5) × energy of an infrared light photon ( 2×10^-19 to 3×10^-19 J )](../image_source/dd46a4c118f8828e550944d8a03ba5cd.png)
≈ (1 to 1.5) × energy of an infrared light photon ( 2×10^-19 to 3×10^-19 J )
Corresponding quantities
![Electromagnetic wave frequency ν from E = hν: | 472 THz (terahertz) | 4.715×10^14 Hz (hertz)](../image_source/a0fa37a871c18d64b886e1f6ced3ef3a.png)
Electromagnetic wave frequency ν from E = hν: | 472 THz (terahertz) | 4.715×10^14 Hz (hertz)
![Thermodynamic temperature T from E = kT: | 22629 K (kelvins)](../image_source/5fe17bd009c1f42399b92a747b2e321c.png)
Thermodynamic temperature T from E = kT: | 22629 K (kelvins)
![Photon wavelength λ from E = hc/λ: | 636 nm (nanometers)](../image_source/63a343a4d29de9683b38a5348e7fe031.png)
Photon wavelength λ from E = hc/λ: | 636 nm (nanometers)
![Spectroscopic wavenumber ν^~ from ν^~ = E/(hc): | 1.573×10^6 m^(-1) (reciprocal meters) | 15728 cm^(-1) (reciprocal centimeters)](../image_source/9a4ba7ffd2c14bdd0ecdc5fff42472e5.png)
Spectroscopic wavenumber ν^~ from ν^~ = E/(hc): | 1.573×10^6 m^(-1) (reciprocal meters) | 15728 cm^(-1) (reciprocal centimeters)