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JEE Main & Advanced Physics Atomic Physics Question Bank Atomic Structure

  • question_answer
    In the lowest energy level of hydrogen atom, the electron has the angular momentum  [MP PET 1997; BCECE 2003]

    A)            \[\pi /h\]                               

    B)            \[h/\pi \]

    C)            \[h/2\pi \]                             

    D)            \[2\pi /h\]

    Correct Answer: C

    Solution :

               \[mvr=\frac{nh}{2\pi }\], for n =1 it is \[\frac{h}{2\pi }\]


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