If the uncertainty in the position of proton is `6xx10^-8m` then the minimum uncertainty in its speed isA. `1 cms^(-1)`B. `1 ms^(-1)`C. `1 mms^(-1)`D. `100 ms^(-1)`

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101.	If the uncertainty in the position of proton is `6xx10^-8m`, then the minimum uncertainty in its speed isA. `1 cms^(-1)`B. `1 ms^(-1)`C. `1 mms^(-1)`D. `100 ms^(-1)`
Answer» Correct Answer - B `Deltap=mDeltav=h/(Deltax)` or `Deltav=h/(mDeltax)=(1.034xx10^(-34))/(1.67xx10^(-27)xx6xx10^(-8))=1 ms^(-1)`

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If the uncertainty in the position of proton is `6xx10^-8m`, then the minimum uncertainty in its speed isA. `1 cms^(-1)`B. `1 ms^(-1)`C. `1 mms^(-1)`D. `100 ms^(-1)`