|Oct26-05, 09:46 AM||#1|
Derivation of De Broglie wavelength
The De Broglie wavelength was derived like this by our physics teacher.
E=hf v=fλ E=mc^2
Then the WRONG BIT
But that only works for light (when c=v). There must be a correct way of deriving it for electrons etc. We are expected to use this for electrons.
|Oct26-05, 05:07 PM||#2|
speed of the electron, this is however an ad-hoc assumption here. It's not
that hard to derive λ=h/ρ directly from E=hf but it takes Special Relativity:
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