How Can We Represent Electron Wave Length in an Equation?

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I wanted to know elecrons wave length(If you can show me this in picture I will be glad and not wave function Just wave length) how can we show this in equation.(not bohr model)(The last theory(Shrödinger))
Thanks
 
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The electron's wavelength is related to its momentum by de Broglie's relation \lambda = h/p, where lambda is the wavelength, h is Planck's constant and p is the Momentum
 
I know it but electron momentum is uncertanity.So we can't say one wavelenght
 

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