-- The energy of an electron in nth orbit of hydrogen atom i... — Physics | Mockzy | Mockzy

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-- The energy of an electron in nth orbit of hydrogen atom is E_n = -13.6/n² eV. The energy required to excite an electron from ground state to first excited state is

A

3.4 eV

B

10.2 eV

C

13.6 eV

D

1.89 eV

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