JCECE Engineering JCECE Engineering Solved Paper-2003

  • question_answer
    The expression of angular momentum of an electron in a Bohr's orbit is:

    A) \[\frac{n\,\,h}{3\,\,\pi }\]                                            

    B) \[\frac{n\,\,h}{2\,\,\pi }\]

    C)  \[\frac{h}{4\pi }\]                                           

    D)  \[\sqrt{l(l+1)}\cdot \frac{h}{2\pi }\]

    Correct Answer: B

    Solution :

    According to Bohr's theory, angular momentum of an orbit is always a multiple of \[\frac{h}{2\pi },i.e.,\]equal to\[\frac{n\,\,h}{2\,\,\pi }\].


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