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JEE Main & Advanced Physics Gravitation / गुरुत्वाकर्षण Question Bank Motion of Satellite

  • question_answer
    The time period of a satellite of earth is 5 hours. If the separation between the earth and the satellite is increased to four times the previous value, the new time period will become                       [AIIMS 1995; AIEEE 2003]

    A) 20 hours

    B)               10 hours

    C)             80 hours

    D)               40 hours

    Correct Answer: D

    Solution :

                    \[{{T}_{2}}={{T}_{1}}{{\left( \frac{{{R}_{2}}}{{{R}_{1}}} \right)}^{3/2}}={{T}_{1}}{{(4)}^{3/2}}=8{{T}_{1}}=40hr\]


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