Question

define :- (i) work function, in relation to photoelectric emission​

Answer 1

1. Work functions:

the minimum quantity of energy which is required to remove an electron to infinity from the surface of a given , usually a metal.

In solid-state physics, the work function (sometimes spelled workfunction) is the minimum thermodynamic work (i.e., energy) needed to remove an electron from a solid to a point in the vacuum immediately outside the solid surface.

Explanation:

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Answer 2

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