de Broglie's wave equation ... λ = h m v ... v = λ / (h m)
h is Planck's constant ... 6.626 × 10-34 m2 kg / s
calculator time ...
Given that a proton of mass 1.6726 × 10-27 kg has a wavelength of 2.426*10-10 m, calculate the velocity of the proton.
1 answer