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JEE Main & Advanced Physics Gravitation / गुरुत्वाकर्षण Question Bank Kepler's Laws of Planetary Motion

  • question_answer
    The orbital angular momentum of a satellite revolving at a distance r from the centre is L. If the distance is increased to 16r, then the new angular momentum will be [MP PET 2003]

    A) 16 L    

    B)             64 L

    C)             \[\frac{L}{4}\]

    D)             4 L

    Correct Answer: D

    Solution :

                    \[L=mvr=m\sqrt{\frac{GM}{r}r}=m\sqrt{GMr}\,\,\,\therefore \,\,\,L\propto \sqrt{r}\]


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