$A$ hollow spherical shell is made of a metal of density $4.9 \, g/cm^3$. If its internal and external radii are $10 \, cm$ and $12 \, cm$ respectively,find the weight of the shell. (Take $\pi = 3.1416$) (in $gm$)

  • A
    $5016$
  • B
    $1416.8$
  • C
    $14942.28$
  • D
    $5667.1$

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