Define the work function of a metal

The minimum energy required by an electron to escape from a (metal) surface

GR

Related Physics A Level answers

All answers ▸

Why does temperature effect the resistance of conductors?


How do you explain why puddles evaporate on cold days ?


What are the SUVAT equations and how can I remember them?


What is the difference between a scalar and a vector? Give 3 examples of each.