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Uncertainty in position of a hypothetica...

Uncertainty in position of a hypothetical subatomic particle is `1 "Å"` and uncertainty in velocity is `(3.3)/(4 pi) xx 10^(5)` m/s then the mass of the particle is approximately ( h = `6.6 xx 10^(-34)` Js) :

A

`2xx10^(-28) kg`

B

`2xx10^(-27) kg`

C

`2xx10^(-29) kg`

D

`4xx10^(-29) kg`

Text Solution

Verified by Experts

The correct Answer is:
C
`Deltax xx m xx Deltav ge h//4pi`
`1 xx10^(-10)xxmxx3.3/(4pi)xx10^(5) ge (6.6xx10^(-34))/(4xxpi) m=2xx10^(-29) kg`
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