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Relativistic corrections become necessar...

Relativistic corrections become necessary when the expression for the kinetic energy `1/2(mv^2)`, becomes comparable with `mc^2`, where m is the mass of the partaicle. At what de-Broglie wavelength will relativistic corrections become important for an electron?

A

`lambda=10 nm`

B

`lambda=10^-1 nm`

C

`lambda=10^-4 nm`

D

`lambda=10^-6 nm`

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