Question

According to Bohr's theory, the expressions for the kinetic and potential energy of an electron revolving in an orbit is given respectively by
(a) $+\frac{e^2}{8 \pi \epsilon_0 r} and - \frac{e^2}{4 \pi \epsilon_0 r}$
(b) $+\frac{8 \pi \epsilon_0 e^2}{r} and - \frac{4 \pi \epsilon_0 e^2}{r}$
(c) $-\frac{e^2}{8 \pi \epsilon_0 r} and - \frac{e^2}{4 \pi \epsilon_0 r}$
(d) $+\frac{e^2}{8 \pi \epsilon_0 r} and + \frac{e^2}{4 \pi \epsilon_0 r}$

Answer 1

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