Q.

Which of the following is the energy of a possible excited state of hydrogen?

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a

+l3.6eV

b

-6.8 eV

c

-3.4eV

d

+6.8eV

answer is C.

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Detailed Solution

∴En=-13.6n2eV where, n=1,2,3… In excited states, E2=-13.64=-3.4eV
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