You should be able to reason it out . . .
A student finds a figurine that looks like silver.
He wants to find out if the figurine is pure silver.
Density of silver is 10.5g/cm³. .The figurine weighs 300g.
He drops the figurine into a graduated cylinder of radius 4cm.
The water level rose 1.5cm.
Is the figurine pure silver, justify your answer.
Is the material of the figurine heavier or lighter per cm³ than pure silver.
Hint: Volume of water displaced is equal to the volume of the object submerged.
The volume of a cylinder is: .
The figurine displaced a cylinder of water: radius 4 cm, height 1.5 cm.
The volume of the figurine is: .
Its density is: .
It is much lighter than pure silver.