The potential energy of electron revolving in an orbit of radius ‘r’ in the atom with atomic number Z is:

Z e^{2} / r

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- Z e^{2} / r

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Z e^{2} / r^{2}

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- m v^{2} / r

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Solution

The correct option is B $- Z e^{2} / r$
$P o t e n t i a l E n e r g y = \frac{- Z k_{e} e^{2}}{r}$
$k_{e} = c o u l o m b^{'} s c o n s t a n t$

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The potential energy of electron revolving in an orbit of radius ‘r’ in the atom with atomic number Z is:

The correct option is B −Ze2/rPotentialEnergy=−Zkee2r ke=coulomb′sconstant

The correct option is B $- Z e^{2} / r$
$P o t e n t i a l E n e r g y = \frac{- Z k_{e} e^{2}}{r}$
$k_{e} = c o u l o m b^{'} s c o n s t a n t$