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Photoelectric Effect

37. An excite...

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37. An excited state of doubly joined Lithium (Li2+) has an orbital radius that is about 1.33 times that of the ground state of hydrogen H in(Bohrs theory).The ratio of energy of the two states ,E(Li2+)/E(H) is A)2.25 .B)4.5 C)1 D)9

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