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Calculate the uncertainty in the position of an electron, if the uncertainty in its velocity is 5.7 x 105 s ms-1.

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Uncertainty in velocity = Av = 5.7 x 105 ms-1 

Mass of an electron = m = 9.1 x 10-31 kg. 

Uncertainty in position = ∆x = ? 

∆x.m.∆v = h/4π

= 1 x 10-10 m. 

Uncertainty in position = 1 x 10-10 m.

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