WB JEE Medical WB JEE Medical Solved Paper-2007

  • question_answer
    Acceleration due to gravity is g on the surface of the earth. Then the value of the acceleration due to gravity at a height of 32 km above earths surface is (Assume radius of earth to be 6400 km)

    A) 0.99 g                   

    B)  0.8 g

    C)  1.01 g                  

    D)  0.9 g

    Correct Answer: A

    Solution :

    \[g=\frac{g}{{{\left( 1+\frac{h}{{{R}_{e}}} \right)}^{2}}}=\frac{g}{{{\left( 1+\frac{32}{6400} \right)}^{2}}}=0.99\,g\]


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