The energy of the electron in the ground state of hydrogen atom is -13.6 eV. Find the kinetic energy and potential energy of electron in this state.

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Solution

The kinetic energy, potential energy and total energy of an electron in hydrogen atom are related as-

$K E = - T E$

and $P E = 2 T E$

Hence kinetic energy $K E = 13.6 e V$

Potential energy $P E = - 27.2 e V$

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The energy of the electron in the ground state of hydrogen atom is -13.6 eV. Find the kinetic energy and potential energy of electron in this state.

The kinetic energy, potential energy and total energy of an electron in hydrogen atom are related as-KE=−TEand PE=2TEHence kinetic energy KE=13.6eVPotential energy PE=−27.2eV

The kinetic energy, potential energy and total energy of an electron in hydrogen atom are related as-

$K E = - T E$

and $P E = 2 T E$

Hence kinetic energy $K E = 13.6 e V$

Potential energy $P E = - 27.2 e V$