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JEE Main & Advanced Physics Atomic Physics Question Bank Atomic Structure

  • question_answer
    Hydrogen atom excites energy level from fundamental state to n = 3. Number of spectrum lines according to Bohr, is [CPMT 1997]

    A)            4    

    B)            3

    C)            1    

    D)            2

    Correct Answer: B

    Solution :

               \[r\propto {{n}^{2}}\]. For ground state n=1 and for first excited state n=2.


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