An electron is moving round the nucleus of a hydrogen atom in a circular orbit of radius r. The coulomb force $\vec{F}$ between the two is -(where $ ext{K} = \frac{1}{4\pi\varepsilon_0}$)

Question

An electron is moving round the nucleus of a hydrogen atom in a circular orbit of radius r. The coulomb force $\vec{F}$ between the two is -(where $	ext{K} = \frac{1}{4\pi\varepsilon_0}$)

Accepted Answer

$-K \frac{e^2}{r^3} \vec{r}$

Answer

$K \frac{e^2}{r^2} \hat{r}$

Answer

$-K \frac{e^2}{r^3} \hat{r}$

Answer

$K \frac{e^2}{r^3} \vec{r}$

AIPMT PRELIMS 2003 Physics Coulomb's Law MCQ Question

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