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Again, we have a deal with the uncertainty principle for a position and a momentum. Mathematically it is expressed as

`Delta p*Delta x gt= h/(4 pi),`

where `Delta p = m*Delta v` is an uncertainty in a momentum and `Delta x` is the uncertainty in a position.

Also we know that the kinetic energy of an electron is equal to `(m_(el)...

(The entire section contains 169 words.)

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