An electron of mass 9.11x10^(-31) is fired from an electron gun at 7x10^6 m/s. What size object will the electron need to interact with in order to diffract?
Momentum of electron=mv=6.377x10^-24 kg m/s
λ=h/mv=6.63x10-34/6.377x10-24=1.039...x10-10=1x10-10m
JG
Related Physics A Level answers
All answers ▸Derive the Drift Velocity Equation
What is a potential divider?
How do you work out the direction and strength of the force on a current carrying wire in a magnetic field?
Explain Rutherford's alpha particle scattering experiment and what it provided evidence for