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JEE Main & Advanced Physics Atomic Physics Question Bank Topic Test - Atomic Physics

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

    A) 4

    B) 3

    C) 1

    D) 2

    Correct Answer: B

    Solution :

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


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