Input interpretation
![cerium | work function](../image_source/33807d095c74d4a271747f0f4e0428f0.png)
cerium | work function
Results
![2.9 eV](../image_source/b38a71ab4b9688baf0ee5e86a1b3d37c.png)
2.9 eV
![polycrystalline | 2.9 eV](../image_source/8579a22cae0a9a15d01f04665725a020.png)
polycrystalline | 2.9 eV
Threshold frequency
![7.012×10^14 Hz (hertz)](../image_source/10d7d25ff5246dc99fb1a2690959a46a.png)
7.012×10^14 Hz (hertz)
Electromagnetic frequency range
![visible light](../image_source/e259a683b951eec955b1da45f944300b.png)
visible light
Unit conversion
![4.65×10^-19 J (joules)](../image_source/3933fd94f57c4021616e7923245553f6.png)
4.65×10^-19 J (joules)
Comparisons as energy
![≈ ( 0.21 ≈ 1/5 ) × Rydberg energy ( ≈ 2.2×10^-18 J )](../image_source/6844cdb44cd3eba79a2eb8979d726afd.png)
≈ ( 0.21 ≈ 1/5 ) × Rydberg energy ( ≈ 2.2×10^-18 J )
![≈ (0.3 to 1.5) × energy of a covalent bond ( 3×10^-19 to 1×10^-18 J )](../image_source/ee12ac40ea44774157bbcebd2b888e36.png)
≈ (0.3 to 1.5) × energy of a covalent bond ( 3×10^-19 to 1×10^-18 J )
![≈ (1.1 to 1.3) × energy of a photon of green light ( 2.2 to 2.5 eV )](../image_source/b53abe26a603ef0612e28e08bd5a31c0.png)
≈ (1.1 to 1.3) × energy of a photon of green light ( 2.2 to 2.5 eV )
Corresponding quantities
![Electromagnetic wave frequency ν from E = hν: | 701 THz (terahertz) | 7.012×10^14 Hz (hertz)](../image_source/c881738f09f057256433e0d67edd681a.png)
Electromagnetic wave frequency ν from E = hν: | 701 THz (terahertz) | 7.012×10^14 Hz (hertz)
![Thermodynamic temperature T from E = kT: | 33653 K (kelvins)](../image_source/161fbd692499664544d0b07394c4a869.png)
Thermodynamic temperature T from E = kT: | 33653 K (kelvins)
![Photon wavelength λ from E = hc/λ: | 428 nm (nanometers)](../image_source/d9c77ab4b285d0d26e5fe31363e63dfa.png)
Photon wavelength λ from E = hc/λ: | 428 nm (nanometers)
![Spectroscopic wavenumber ν^~ from ν^~ = E/(hc): | 2.339×10^6 m^(-1) (reciprocal meters) | 23390 cm^(-1) (reciprocal centimeters)](../image_source/ed1b51c4bd39899241ec1b22d830c5f4.png)
Spectroscopic wavenumber ν^~ from ν^~ = E/(hc): | 2.339×10^6 m^(-1) (reciprocal meters) | 23390 cm^(-1) (reciprocal centimeters)