question_answer

The acceleration of an electron in the first orbit of the hydrogen atom (n = 1) is – [JEE Online 09-04-2017]

A) \[\frac{{{h}^{2}}}{4\pi {{m}^{2}}{{r}^{3}}}\]

B) \[\frac{{{h}^{2}}}{{{\pi }^{2}}{{m}^{2}}{{r}^{3}}}\]

C) \[\frac{{{h}^{2}}}{8{{\pi }^{2}}{{m}^{2}}{{r}^{3}}}\]

D) \[\frac{{{h}^{2}}}{4{{\pi }^{2}}{{m}^{2}}{{r}^{3}}}\]

Correct Answer: D

Solution :

[d]