L1
/
5
CH1012
ATOMIC STRUCTURE.h3
Wave particle / duality
The
electron
also has
both particle
(cathode
rays)
and wave
properties (eg. diffraction).
Cathode Ray Tube
Electron beam
Visible light has
Wave properties:
Wavelength
l
(
nm
)
and frequency
n
(
s
-1
= Hz
)
EM radiation in vacuum has speed c (
c =
l
n
)
E = h
n
energy is proportional to
n
(Greek nu)