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 ▸Describe how standing waves are formed and explain why nodes and antinodes are formed.
Define the term "Gravitational Potential" and write down a formula which defines it.
Find an expression for the escape velocity of a test object.
Explain why excited atoms only emit certain frequencies of radiation after an electron collides with the atom