Asked by Anonymous

What is the de Broglie wavelength of an electron traveling at 1.26×105m/s ?
Answered by DrBob222
wavelength = h/mv
m = mass in kg
v = velocity in m/s
Answered by Anonymous
6.626 x 10^-34/ m x 1.26 times 10^5

what is plugged in for the mass if it is not given?
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