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If an electron is , to be located within...

If an electron is , to be located within `10pm` what will be the uncertainty in its velocity ?

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The correct Answer is:
A, D

`6 xx 10^(6) m s^(-1)`
Hint: `Delta x -m Delta v = (h)/(4pi) `
` Delta v = (h)/(4 pi- Delta x- m)`
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