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NEET Sample Paper NEET Sample Test Paper-86

  • question_answer
    When a mass is rotating in a plane about a fixed point, its angular momentum is directed along the

    A) radius of orbit

    B) tangent to the orbit

    C) line parallel to plane of rotation

    D) line perpendicular to plane of rotation

    Correct Answer: D

    Solution :

    [d] As angular momentum, \[\overrightarrow{L}=\overrightarrow{r}\times \overrightarrow{p,}\] therefore, direction of \[\overrightarrow{L}\] is along a line perpendicular to the plane of rotation.


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