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

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

Grade:11

1 Answers

Apoorva Arora IIT Roorkee
askIITians Faculty 181 Points
9 years ago
KE= 100 eV
So,P=\frac{h}{\lambda }
\lambda =\frac{h}{P}
\lambda =\frac{h}{\sqrt{2mKE}}
Putting the values,
\lambda = 1.227 A^{0}
Thanks and Regards
Apoorva Arora
IIT Roorkee
askIITians Faculty

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