The total energy of an electron in an atom in an orbit is - 3.4 e V . Its kinetic and potential energies are…

The total energy of an electron in an atom in an orbit is -3.4 eV. Its kinetic and potential energies are, respectively,
  1. -3.4  eV,-3.4  eV
  2. -3.4  eV,-6.8  eV
  3. 3.4  eV,-6.8  eV
  4. 3.4  eV,  3.4  eV

Solution

KE=-TE
KE=3.4eV
PE=2·TE=-6.8eV

Asked in: NEET 2019 (All India)

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