The magnetic moment of a revolving electron around the nucleus varies with the principal quantum number as which of the following?(a) μ ∝ n(b) μ ∝ \(\frac {1}{n}\)(c) μ ∝ n^2(d) μ ∝ \(\frac {1}{n^2}\)I have been asked this question during an interview.The question is from Atomic Masses and Composition of Nucleus in portion Nucleus of Physics – Class 12

The magnetic moment of a revolving electron around the nucleus varies

1.	The magnetic moment of a revolving electron around the nucleus varies with the principal quantum number as which of the following?(a) μ ∝ n(b) μ ∝ \(\frac {1}{n}\)(c) μ ∝ n^2(d) μ ∝ \(\frac {1}{n^2}\)I have been asked this question during an interview.The question is from Atomic Masses and Composition of Nucleus in portion Nucleus of Physics – Class 12
Answer» Correct ANSWER is (a) μ ∝ N To EXPLAIN: L = \(\frac {nh}{2\pi }\) and μ = \(\frac {eL}{2m}\). μ = \(\frac {enh}{2m.2\pi }\) Therefore, μ ∝ n.

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