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Energy of the electron in nth orbit of h...

Energy of the electron in `nth` orbit of hydrogen atom is given by `E_(n) =-(13.6)/(n^(2))eV`. The amount of energy needed to transfer electron from first orbit to third orbit is

A

10.2 J

B

12.09 J

C

12.09 eV

D

13.6 eV

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The correct Answer is:
C
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