Atoms And Nuclei Question 78
Question: In Bohr’s model, the atomic radius of the first orbit is $ r_{0} $ , then the radius of the third orbit is [AIIMS 1997; CPMT 2001; KCET (Engg./Med.) 1999; Pb. PMT 2004]
Options:
A) $ \frac{r_{0}}{9} $
B) $ r_{0} $
C) $ 9r_{0} $
D) $ 3r_{0} $
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Answer:
Correct Answer: C
Solution:
$ r_{n}\propto n^{2} $