Question

According to the Bohr theory of H-atom, the speed of the electron, its energy and the radius of its orbit varies with the principal quantum number n, respectively, as
(a) $\frac{1}{n},n^{2},\frac{1}{n^{2}}$
(b) $n,\frac{1}{n^{2}},n^{2}$
(c) $n,\frac{1}{n^{2}},\frac{1}{n^{2}}$
(d) $\frac{1}{n},\frac{1}{n^{2}},n^{2}$

Answer 1

option number b is right (b) $n,\frac{1}{n^{2}},n^{2}$