The quantum number of four electrons are given below- \[ \text { I.n }=4, \mathrm{l}=2, \mathrm{...

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The quantum number of four electrons are given below-
\[
\text { I.n }=4, \mathrm{l}=2, \mathrm{~m}_{\mathrm{l}}=-2, \mathrm{~m}_{\mathrm{s}}=-1 / 2
\]
II. \( \mathrm{n}=3, \mathrm{l}=2, \mathrm{~m}_{1}=1, \mathrm{~m}_{\mathrm{s}}=+1 / 2 \)
III. \( \mathrm{n}=4, \mathrm{l}=1, \mathrm{~m}_{\mathrm{l}}=0, \mathrm{~m}_{\mathrm{s}}=+1 / 2 \)
\[
\text { IV } . \mathrm{n}=3,1=1, \mathrm{~m}_{1}=1, \mathrm{~m}_{\mathrm{s}}=-1 / 2
\]
The correct order of their increasing energy will be:
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