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The energy of an electron in the first B...

The energy of an electron in the first Bohr's orbit of H atom is -13.6 eV. The possible energy value (s) of the excited state (s) for electrons in Bohr's orbits of hydrogen is (are):

A

-3.4 eV

B

-4.2 eV

C

-6.8 eV

D

+6.8 eV

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The correct Answer is:
A
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