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JAMIA MILLIA ISLAMIA Jamia Millia Islamia Solved Paper-2015

  • question_answer
    A satellite in a circular orbit of radius R has a period of 4 h. Another satellite with orbital radius 3R around the same planet will have a period (in hours)

    A) 16                                          

    B) 4

    C) \[0.5\Omega \]               

    D) \[1\Omega \]

    Correct Answer: C

    Solution :

    According to Kepler's third law,  \[\text{T}-\text{mg}=\frac{m{{V}^{2}}}{l}\] \[\text{3mg}-\text{mg }=\frac{m{{V}^{2}}}{l}\] \[V=\sqrt{2gl}\] \[\theta \]


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