Relativistic corrections become necessary when the expression for the kinetic energy 1/2mv², becomes comparable with m², where m is the mass of the particle. At what de Broglie waxelength will relativistic corrections become important for an electron?
A. λ = 10⁻¹ nm
B. λ = 10⁻⁴ nm
C. λ = 1 nm
D. λ = 10 nm
