Question

The magnetic moment of an electron (e) revolving in an orbit around nucleus with an orbital angular momentum is given by :

• A. $\vec{\mu}_{ L }=\frac{ e \overrightarrow{ L }}{2 m }$
• B. $\vec{\mu}_{ L }=-\frac{e \overrightarrow{ L }}{2 m }$
• C. $\vec{\mu}_1=-\frac{e \vec{L}}{m}$
• D. $\vec{\mu}_1=\frac{2 e \vec{L}}{m}$

Answer 1

Answer: (B)

$\vec{\mu}_{ L }=-\frac{e \overrightarrow{ L }}{2 m }$

Answer 2

The correct option is (B)