Atoms - Result Question 42

44. In terms of Bohr radius $a_0$, the radius of the second Bohr orbit of a hydrogen atom is given by

[1992]

(a) $4 a_0$

(b) $8 a_0$

(c) $\sqrt{2} a_0$

(d) $2 a_0$

Show Answer

Answer:

Correct Answer: 44. (a)

Solution:

  1. (a) As $r \propto n^{2}$, therefore, radius of $2 nd$

Bohr’s orbit $=4 a_0$.



NCERT Chapter Video Solution

Dual Pane