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De Broglie Wavelength

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Richard Datwyler

on 13 March 2017

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Transcript of De Broglie Wavelength

De Broglie Wavelength
We have seen how light can act as both a wave (interference) and as a particle (photoelectric effect).

And that the energy and momentum are tied to the wavelength in a quantum fashion.
The thought may lead to the idea of other
objects (with momentum and energy) having wave like properties.
The answer is, yes! via the relationship De Broglie reasoned, shown here.
This is the same relationship of light, between wavelength and momentum, beautiful symmetry.
a Proton?
What about an electron if it is moving at 1% c?
What is the wavelength of a baseball having a mass of .2 kg moving at 25 m/s ?
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