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Calculate the velocity of a neutron needed to achieve a wavelength of 1.50 å . (take the mass of the neutron m=1.6749×10−27kg).
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Calculate the velocity of a neutron needed to achieve a wavelength of 1.50 å . (take the mass of the neutron m=1.6749×10−27kg).

User Simon Vane
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λ=h/(mv) 0.945*10^-10 = 6.626*10^-34/mv mv = 6.626*10^-34/0.945*10^-10 v = 6.626*10^-34/(0,945*10^-10*1.6749*10^-27... v = 6.626*10^-34/1.5828*10^-37 v = 4.186*10^3 m/s
User CMaury
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