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

  • question_answer
    According to Kepler, the period of revolution of a planet (T) and its mean distance from the sun (r) are related by the equation [EAMCET (Med.) 1995; MH CET 2000; Pb. PET 2001]

    A)             \[{{T}^{3}}{{r}^{3}}=\] constant          

    B)             \[{{T}^{2}}{{r}^{-3}}=\]constant

    C)               \[T{{r}^{3}}=\] constant    

    D)             \[{{T}^{2}}r=\] constant

    Correct Answer: B

    Solution :

                    \[\frac{{{T}^{2}}}{{{r}^{3}}}=\] constant \[\Rightarrow \,{{T}^{2}}{{r}^{-3}}\]= constant


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