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NEET NEET SOLVED PAPER 2019

  • question_answer
    The total energy of an electron in an atom in an orbit is -3.4 eV. Its kinetic and potential energies are, respectively-                            [NEET 5-5-2019]

    A) 3.4 eV, - 6.8 eV

    B) 3.4 eV, 3.4 Ev

    C) - 3.4 eV, - 3.4 eV           

    D) - 3.4 eV, - 6.8 eV

    Correct Answer: A

    Solution :

    Total energy = - [K.E] \[\therefore K.E.=+3.4\text{ }eV\]Potential energy= -2 (Total energy) = -6.8 eV


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