Q.
The value of the energy for the first excited state of hydrogen will be
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a
– 13.6 eV
b
– 3.40 eV
c
– 1.51 eV
d
– 0.85 eV
answer is B.
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Detailed Solution
Given E1=-13.6 ev; First excited state is 2nd orbit; For H-atom Z = 1, n = 2
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