Physics
The density of aluminium is 2.7 g cm-3 and that of brass is 8.4 g cm-3. The correct statement is:
- Equal masses of aluminium and brass have equal volumes.
- The mass of a certain volume of brass is more than the mass of equal volume of aluminium.
- The volume of a certain mass of brass is more than the volume of equal mass of aluminium.
- Equal volumes of aluminium and brass have equal masses.
Related Questions
The relative density of alcohol is 0.8. Its density is:
- 0.8
- 800 kg m-3
- 800 g cm-3
- 0.8 kg m-3
A block of wood of density 0.8 g cm-3 has a volume of 60 cm-3. The mass of block is:
- 60.8 g
- 75 g
- 48 g
- 0.013 g
A density bottle has a marking 25 mL on it. It means that:
- the mass of density bottle is 25 g.
- the density bottle will store 25 mL of any liquid in it.
- the density bottle will store 25 mL of water, but more volume of liquid denser than water.
- the density bottle will store 25 mL of water, but more volume of a liquid lighter than water.
The correct statement is:
- The buoyant force on a body is equal to the volume of the liquid displaced by it.
- The buoyant force on a body is equal to the volume of the body.
- The buoyant force on a body is equal to the weight of the liquid displaced by it.
- The buoyant force on a body is always equal to the weight of the body.