MCQ
Bohr magneton is given by (symbols have their usual meanings)
  • A
    $\frac{4 \pi m_e}{e h^2}$
  • B
    $\frac{4 \pi m_e}{e h}$
  • C
    $\frac{e h^2}{4 \pi m_e}$
  • $\frac{e h}{4 \pi m_e}$

Answer

Correct option: D.
$\frac{e h}{4 \pi m_e}$
(d)

$B_m=\frac{e h}{4 \pi m}$

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