Asked by VJC
What is the de Broglie wavelength of electrons with the following value of kinetic energy? 1.06 eV;
What is the de Broglie wavelength of electrons with the following value of kinetic energy? 1.06 keV.
What is the de Broglie wavelength of electrons with the following value of kinetic energy? 1.06 keV.
Answers
Answered by
drwls
I heard you the first time.
De Broglie wavelength is h/(momentum)
h is Planck's cnstant
Use the Kinetic Energy of the electron (E) to get the momentum.
Momentum = sqrt(2E*m)
The energy E will have to be in Joules. I trust you know how to make that conversion.
De Broglie wavelength is h/(momentum)
h is Planck's cnstant
Use the Kinetic Energy of the electron (E) to get the momentum.
Momentum = sqrt(2E*m)
The energy E will have to be in Joules. I trust you know how to make that conversion.
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