The minimum amount of energy required to just eject an electron from a given metal surface is called the work function for that metal surface.
Class 12 Physics Chapter 11 Dual Nature of Radiation and Matter Session 2024-2025.
Define work function for a given metallic surface.
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The work function of a metallic surface is the minimum energy required to eject an electron from the metal’s surface. It depends on the material and is typically measured in electron volts (eV).
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