MCQ
$\,$


- A

- ✓

- C

- D







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$A. \;n =3, l=2, m _{1}=1, m _{ s }=+1 / 2$
$B.\; n =4, l=1, m _{1}=0, m _{ s }=+1 / 2$
$C. \;n =4, l=2, m _{1}=-2, m _{ s }=-1 / 2$
$D. \;n =3, l=1, m _{1}=-1, m _{ s }=+1 / 2$
The correct order of increasing energy is