Posted by VJC on Thursday, November 25, 2010 at 11:59am.
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.
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