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In this video I have explained in a simple way the Work Function values for different metals, and the concept of Work Function as the minimum energy required to just eject electrons from a metal surface. These electrons are hanging around, velocity=0, Kinetic Energy=0. That is the condition for Work Function energy. I have also explained electron-Volt, Volt, and how do we get to seeing electron-Volt as a unit of Energy.
Have a great day!
kaustubhan
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