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NEET Sample Paper NEET Sample Test Paper-49

  • question_answer
    A planet revolves in elliptical orbit around the sun. The linear speed of the planet will be maximum at-

    A) A                                 

    B) B

    C) C                                 

    D) D

    Correct Answer: A

    Solution :

    Here, angular momentum is conserved, i.e. \[L\,\,=\,\,I\omega \] constant. At A. the moment of inertia I is least. So angular speed and therefore the linear speed of planet at A is maximum.


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