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The size of a mircorscopic particle is 1...

The size of a mircorscopic particle is 1 micron and its mass is `6 xx 10^(-13)g`. If its position may be measured to within `0.1%` of its size, the uncertainity in velocity `("in cm"^(-1))` is

A

`(10^(-7))/(4pi)`

B

`(10^(-5))/(4pi)`

C

`10^(-5)`

D

`10^(-8)`

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The correct Answer is:
A
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