Atoms Ques 39
39. 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) $2 a_0$
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Answer:
Correct Answer: 39.(a)
Solution:
- (a) As $r \propto n^{2}$, therefore, radius of $2 nd$
Bohr’s orbit $=4 a_0$.
BETA
