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JEE Main & Advanced Physics Atomic Physics Question Bank Self Evaluation Test - Atoms

  • question_answer
    Hydrogen atom excites energy level from fundamental state to n=3. Number of spectral lines according to Bohr, is  

    A)  4     

    B)                     3     

    C)  1                    

    D)         2

    Correct Answer: B

    Solution :

    [b] No. of lines \[{{N}_{E}}=\frac{n\left( n-1 \right)}{2}=\frac{3\left( 3-1 \right)}{2}=3\]


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