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In terms of the photoelectric effect, what is the work function of a material?

It is the work done (or energy) required to remove an electron from its surface. This information is used a lot in Einstein's Nobel prize winning Photoelectric effect experiment and theory.

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In terms of the photoelectric effect, what is the work function of a material?

Related Physics A Level answers

Show that gravitational force within a nuclei is negilible compared with the electric repulsion.

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Give an example of 3 different types of radiation stating their make up, penetration and ionising effect.

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