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The energy required to dislodge electron from excited isolated H-atom, IE1= 13.6 eV is:
(1) = 13.6eV
(2) > 13.6eV
(3) < 13.6and > 3.4 eV
(4)≤ 3.4 eV
Ans: ≤ 3.4 eV
An electronic transition from 1s orbital of an atom causes: (1) Absorption of energy (2) Release of energy (3) Both release or absorption of energy (4) Unpredictable
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