Asked by Tonya

What is the de Brogile wavelength of an electon that strikes the back of the face of a TV screen at 1/10 the speed of light?
Answered by Count Iblis
It is h/p where h is Planck's constant and p is the momentum of the electron.
Answered by Tonya
I'm still not understand how to put it in the calculator, could you please explain?
Answered by Count Iblis
h = 6.62606876*10^(-34) Js

mass = 9.10938185726*10^(-31) kg

speed = 0.1 c

c = 299792458 m/s

momentum is p = mass times speed
Answered by Lisa
Thanks, Count Iblis!!!
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