question_answer

A hollow spherical shell is made of a metal of density 9.8 g/\[\mathbf{c}{{\mathbf{m}}^{\mathbf{3}}}\]. If its internal and external radii are 12 cm and 14 cm the weight of the shell. (Use n = 3.14)

A) 41.69 kg            

B) 38.37 kg

C) 39.68 kg                                                           

D) 45.38 kg

E) None of these