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Questions  >>  JEEMAIN and NEET  >>  Physics  >>  Class11  >>  Units and Measurement
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Q)

The total energy in the ground state of hydrogen atom is $ -13.6\;eV$ . The kinetic energy of this electron in first excited state is :

$\begin{array}{1 1} 6.8 \;eV \\ 13.6\;eV \\ 1.7\;eV \\ 3.4\;eV \end{array} $

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