A piece of copper having an internal cavity weights 264 g in air and 221 g in water. Find the volume of the cavity. Density of copper is `8.8 g//cm^(3)`

A piece of copper (sp. gravity 8.8g/ cm^(2) ) having an internal cavity weighs 264g in air and 221g in water? Find the volume of the cavity?

A piece of gold weighs 10g in air and 9g in water. What is the volume of cavity? (Density of gold = 19.3 g cm^(-3) )

A piece of gold weighs 10g in air and 9g in water. What is the volume of cavity? (Density of gold = 19.3 g cm^(-3) )

A piece of gold (rho=19.3 g//cm^(3)) has a cavity in it. It weights 38.2g in air and 36.2g in water. The volume of the cavity in glold is

A piece of gold (rho=19.3 g//cm^(3)) has a cavity in it. It weights 38.2g in air and 36.2g in water. The volume of the cavity in glold is

A steel block having an internal cavity weighs 234g in air and 197g in water. If the density of steel is 7.8 g cm^(-3) then the volume of the cavity is

A metallic sphere with an internal cavity weighs 40 gwt in air and 20 gwt in water. If the density of the material with cavity be 8g per cm^(3) then the volume of cavity is :

An iron casting containing a number of cavities weight 6000N in air and 4000N in water. What is the volume of the cavities in the casting? Density of iron is 7.87g//cm^(3) . Take g = 9.8 m//s^(2) and density of water = 10^(3) kg//m^(3) .