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JEE Main & Advanced AIEEE Solved Paper-2012

  • question_answer
    Hydrogen atom is excieted from ground state to another state with principal quantum number equal to 4. Then the number of spectral lines in the emission spectra will be:   AIEEE  Solved  Paper-2012

    A) 2                                                

    B) 3

    C) 5                                                

    D) 6

    Correct Answer: D

    Solution :

    If \[n=4\]lines \[=\frac{n(n-1)}{2}=6\]


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