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JEE Main & Advanced Chemistry Structure of Atom / परमाणु संरचना Question Bank Self Evaluation Test - Structure of Atom

  • question_answer
    What should be the kinetic energy and total energy of the electron present in hydrogen atom, if its potential energy is \[-5.02\text{ }eV\]?

    A) \[+2.51eV,-2.51eV\]

    B) \[+0.251\text{ }eV,-0.251eV\]

    C) \[-2.51eV,-2.51eV\]

    D) \[+2.51eV,+2.51eV\]

    Correct Answer: A

    Solution :

    [a] \[Total\,energy=\frac{Potential\text{ }energy}{2}=\frac{-5.02}{2}\] Total energy \[=-2.51\text{ }eV\] Kinetic energy = - Total energy \[=-\left( -2.51\text{ }eV \right)=+\left( 2.51\text{ }eV \right)\]


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