JCECE Engineering JCECE Engineering Solved Paper-2003

  • question_answer
    If an electron jumps from first orbit to third orbit of hydrogen atom it will:

    A)  not loose energy            

    B)  release energy

    C)  absorb energy                 

    D)   not gain energy

    Correct Answer: C

    Solution :

    The energy of electron in higher orbit is greater than in lower orbit. If in a hydrogen atom, electron jumps from lower orbit to higher orbit, it gains, (absorb) difference of energy of both orbits. While if it jumps from higher orbit to lower orbit, it releases difference of energy of both orbits. Since, here electron jumps from first (lower) orbit to third (higher) orbit, it absorbs some energy.


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