Atoms And Nuclei Question 125

Question: The radius of the first (lowest) orbit of the hydrogen atom is $ a_{0}. $ The radius of the second (next higher) orbit will be [MP PET 2002; MP PMT 2004]

Options:

A) $ 4a_{0} $

B) $ 6a_{0} $

C) $ 8a_{0} $

D) $ 10a_{0} $

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Answer:

Correct Answer: A

Solution:

$ r_{n}\propto n^{2} $



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