Wavelength of an electron is 5Å Velocity...

Wavelength of an electron is `5Å` Velocity of the electron is

`1.45 xx 10^(8)` cm/s

`1.6 xx 10^(-8)` cm/s

`3.2 xx 10^(-27)` cm/s

`3.2 xx 10^(27)` cm/s

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