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The electrons identified by quantum numb...

The electrons identified by quantum numbers n and I
(i) n = 4,l = 1
(i) n = 4,l = 0
(iii) n = 3,l = 2
(iv) n = 3,l = 1
can be placed in order of increasing energy, from to highest as

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The correct Answer is:
`(iv) lt (ii) lt (iii) lt (i)`
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