Please solve q 170?

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Answer 1 · 2018-04-05T09:20:52

The answer is #"option (3)"#

By the principle of Archimedes, the

#"weight of the sphere " = "weight of fluid displaced"#

#(4/3xxpixxr^3xx rho_s)=(2/3xxpixxr^3xxrho_o) +(2/3xxpixxr^3xxrho_(Hg))#

Therefore,

#(2 rho_s)=(rho_o) +(rho_(Hg))#

#rho_s=(0.8+13.6)/2=14.4/2=7.2 gcm^-3#

The answer is #"option (3)"#