Atomic Transitions
•
An electron can
be kicked into a
higher orbit
when it absorbs
a photon with
exactly the right
energy.
•
All other photons pass by the atom unabsorbed
.
E
ph
= E
4
– E
1
E
ph
= E
3
– E
1
(Remember that E
ph
= h*f)
Wrong energy
•
The photon is
absorbed, and the
electron is in an
excited state.
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