Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Search any question & find its solution
Question: Answered & Verified by Expert
The magnetic moment $(\mu)$ of a revolving electron around the nucleus varies with principal quantum number $n$ as
PhysicsMagnetic Effects of CurrentAIIMSAIIMS 2005
Options:
  • A $\mu \propto n$
  • B $\mu \propto 1 / n$
  • C $\mu \propto n^2$
  • D $\mu \propto 1 / n^2$.
Solution:
1187 Upvotes Verified Answer
The correct answer is: $\mu \propto n$
$$
\begin{aligned}
& L=n \cdot \frac{h}{2 \pi}, \\
& \mu_n=\frac{e}{2 m} \cdot n \frac{h}{2 \pi} \text { i.e. } \mu \propto n
\end{aligned}
$$

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.