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 ▸Uranium -238 has a half life of 4.5 billion years. How long will it take a 2g sample of U-238 to contain just 0.4g of U-238?
Why does the rate of change of potential difference between two capacitor plates decrease as the capacitor discharges?
Explain what simple harmonic motion means?
A stone is thrown horizontally at 5m/s from a platform 10m above ground. Find time till impact with ground.