MCQ
Time taken for an electron to complete one revolution in the Bohr orbit of hydrogen atom is
  • $\frac{{4{\pi ^2}m{r^2}}}{{nh}}$
  • B
    $\frac{{nh}}{{4{\pi ^2}mr}}$
  • C
    $\frac{{nh}}{{4{\pi ^2}m{r^2}}}$
  • D
    $\frac{h}{{2\pi mr}}$

Answer

Correct option: A.
$\frac{{4{\pi ^2}m{r^2}}}{{nh}}$
a
(a) It will take $\frac{{4{\pi ^2}m{r^2}}}{{n\,h}}$

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