According to Bohr's theory, the velocity of the electron in the $n^{th}$ orbit of a hydrogen-like at

Question

According to Bohr's theory, the velocity of the electron in the $n^{th}$ orbit of a hydrogen-like atom is proportional to:

Professor PC Thomas Classes · Answer

The velocity $v_n = \frac{Z e^2}{2 n h \epsilon_0}$, which indicates it is directly proportional to $Z$ and inversely proportional to $n$.