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What is the de Broglie wavelength asso...

What is the de Broglie wavelength associated with an electron , accelerated through a potential difference of 100 volts ?

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Accelerating potential `V = 100 V`. The de Broglie wavelength `lambda` is
`lambda=h//p=(1.227)/(sqrt(V))=nm`
`lambda=(1.227)/(sqrt(100))nm=0.123nm`
The de Broglie wavelength associated with an electron in this case is of the order of X-ray wavelengths.
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