JEE Main & Advanced Sample Paper JEE Main Sample Paper-1

  • question_answer
    In which case the wavelength emitted is minimum?

    A)  An electron jumps from 2nd to 1st level

    B)  An electron jumps from 3rd to 2nd level

    C)  An electron jumps from 4th to 3rd level

    D)  An electron jumps from 5th to 4th level

    Correct Answer: A

    Solution :

     \[{{E}_{2}}-{{E}_{1}}\]is maximum. Hence, v is maximum or \[\lambda \] is minimum.


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