Physics
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
Related Questions
Match the following:
Column A Column B (a) kg m-3 (i) relative density (b) No unit (ii) sinks in alcohol (c) Relative density (iii) floats on water (d) Iron (iv) density (e) Wood (v) density bottle The correct relation is:
- Density = Mass x Volume
- Mass = Density x Volume
- Volume = Density x Mass
- Density = Mass + Volume
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
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.