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Photons: photoelectric effect
•
A photon is absorbed by an atomic electron, which is rejected from the atom
•
The process needs the electron to be bound
•
Kinetic energy of the ejected photoelectron
KE
is equal to the incident
photon energy
E
0
- the binding energy of the orbital electron
F
:
KE
=
E
o
-
F
E
0
KE
F