A solid weighs 30 gf in air and 26 gf when completely immersed in a liquid of relative density 0.8 . Find (1) the volume of solid and

(2) the relative density of solid

Let ρ and ρl are the densities of solid and liquid. 

ρl = 0.8 

Weight of the solid in air = 30 g wt

V is the volume of the solid. 


Weight of the solid in water = 26 g wt

Reduced weight of the solid = Weight of the solid - Weight of the liquid displaced by the stone 


 

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