In a malti-electrons atom which of the following orbitals deseribed by the three quantum number will have the same energy in the absence of megnetic and electric field ?I.`n = 1, l = 0, m = 0`II. `n = 2, l = 0, m = 0`III.`n = 2, l = 1, m = 1` IVgt`n = 3, l = 2, m = 1` V`n = 3, l = 2, m = 0`A. I and IIB. II and IIIC. III and IVD. IV and V

In a malti-electrons atom which of the following orbitals deseribed by

1.	In a malti-electrons atom which of the following orbitals deseribed by the three quantum number will have the same energy in the absence of megnetic and electric field ?I.`n = 1, l = 0, m = 0`II. `n = 2, l = 0, m = 0`III.`n = 2, l = 1, m = 1` IVgt`n = 3, l = 2, m = 1` V`n = 3, l = 2, m = 0`A. I and IIB. II and IIIC. III and IVD. IV and V
Answer» IV `3d_(2), v:3d_(2) ` Degemerate orbital II `2s,II2p` (Assumed to have same energies in the absence of magnitic and electric field)

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