Question

In nth orbit, the angular velocity of electrons is proportional to

• A. $n^{-1}$
• B. $n^{-2}$
• C. $n^{-3}$
• D. $n^{-4}$

Answer 1

Answer: (C)

$\omega =\frac{v}{r}$
$\therefore$ $v\propto \frac{1}{n}$ and $r\propto n^2$ $\omega \propto \frac{1}{n^3}$