JEE CHEMISTRY MCQ: STRUCTURE OF ATOM

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An electron moves around the nucleus in a circle of radius

r

. Assuming that the uncertainty of the momentum of electron is of the same order as momentum itself, the momentum of the electron would be

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Correct option: A

\frac{h}{4 \pi r}

Option A (

\frac{h}{4 \pi r}

) is correct because it is derived from the Heisenberg uncertainty principle, relating the uncertainty in position and momentum.

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