Uncertainty in position of an electron ...

Uncertainty in position of an electron (mass of an electron is `=9.1xx10^(-28) g`) moving with a velocity of `3xx10^(4)`cm/s accurate upto `0.001%` will be (use `(h)/(4pi)` in uncertainty expression where `h=6.626xx10^(-27)` erg s)

`5.76 cm`

`7.68 cm`

`1.93 cm `

`3.84 cm `

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