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JEE Main & Advanced Physics Gravitation / गुरुत्वाकर्षण Question Bank Critical Thinking

  • question_answer
    A satellite is launched into a circular orbit of radius R around the earth. A second satellite is launched into an orbit of radius (1.01)R. The period of the second satellite is larger than that of the first one by approximately         [IIT 1995]

    A) 0.5%   

    B)             1.0%

    C)             1.5%   

    D)             3.0%

    Correct Answer: C

    Solution :

                    In the problem orbital radius is increased by 1%. Time period of satellite \[T\propto {{r}^{3/2}}\] Percentage change in time period = \[\frac{3}{2}\](% change in orbital radius) = \[\frac{3}{2}(1%)=1.5%\]


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