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NEET Sample Paper NEET Sample Test Paper-75

  • question_answer
    Orbital angular momentum \[(L)=-h\,\sqrt{l(l+1),}\,\,l=\]orbital angular momentum quantum number. For d-electron, the angular momentum is

    A)  \[\sqrt{6}\frac{h}{2\,\pi }\]                    

    B)  \[\sqrt{2}\frac{h}{2\,\pi }\]

    C)  \[\frac{h}{2\,\pi }\]                               

    D)  \[2\frac{h}{2\,\pi }\]

    Correct Answer: A

    Solution :

    \[\operatorname{For}\,\,l=2\] \[\operatorname{Angular} momentum =\,\,\sqrt{l\,(l\,\,+\,\,1)}\frac{h}{2\pi }\] \[=\,\,\,\sqrt{2\,(2\,\,+\,\,1)}\frac{h}{2\pi }\] \[=\,\,\,\,\sqrt{6}\,\frac{h}{2\pi }\]


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