Mass of moon is $7.34 \times {10^{22}}\,kg$. If the acceleration due to gravity on the moon is $1.4\,m/{s^2}$, the radius of the moon is $(G = 6.667 \times {10^{ - 11}}\,N{m^2}/k{g^2})$

  • A

    $0.56 \times {10^4}\,m$

  • B

    $1.87 \times {10^6}\,m$

  • C

    $1.92 \times {10^6}\,m$

  • D

    $1.01 \times {10^8}\,m$

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