UPSC Geography The origin and evolution of the earth Question Bank Universe / Sun / Planets / Earth

  • question_answer The mean radius of the Earth is

    A)  3200 km                      

    B)  6400 km                      

    C)  8400 km                      

    D)  12800 km                    

    Correct Answer: B

    Solution :

     The mean radius of Earth is 6371 km or approximately a 6400 km

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