The uncertainty in momentum of an electr...

The uncertainty in momentum of an electron is `1 xx 10^-5 kg - m//s`. The uncertainty in its position will be `(h = 6.62 xx 10^-34 kg = m^2//s)`.

A

`2.36xx10^(-28)m`

B

`5.25xx10^(-28)m`

C

`2.27xx10^(-30)m`

D

`5.27xx10^(-30)m`

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The correct Answer is:

D

From uncertainty principle ,`" "Deltax.Deltap=(h)/(4pi)" "rArr" "Deltax=(6.634xx10^(-34))/(4xx3.14xx1xx10^(-5))~=5.27xx10^(-30)m`

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