Question

what do you mean electron emission ?

Answer 1

Hey guys


here is your answer :-


____________________________
___________________________________

in metals , the electron from the outermost orbit of atom become free at room temperature . however these free electrons can not leave the surface of metals . for the free electrons to leave the metal surface , external energy is required.

____________________
ok it helps you ✌

Answer 2

Explanation:

Electron emission is defined as a phenomenon of liberation of electron from the surface that is stimulated by temperature elevation, radiation, or by strong electric field.