Advertisements
Advertisements
Question
The density of aluminium is 2.7 g cm3. Express it in kg m-3
Solution
Density of aluminium = 2.7 g/Cm3
In kg/ `m^3` =`(27×1000)/10`=2700 kg/`m^3`
APPEARS IN
RELATED QUESTIONS
Equal volumes of the two different substances have equal masses.
1 kg is the mass of ............ml of water at 4°C.
Mass = density x .........
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 |
A density bottle has a marking 25 ml on it. It means that:
Icebergs floating on sea water are dangerous for ships. Explain the reason.
Explain why it is easier to lift a stone under water than in air.
The density of alcohol is 600 kg m-3. Express it in g Cm-3.
The mass of an empty density bottle is 30 g, it is 75 g when filled completely with water and 65 g when filled completely with a liquid. Find volume of density bottle.
A cubical tank of side 1 m is filled with 800 kg of a liquid. Find:
(i) the volume of tank,
(ii) the density of liquid in kg m-3.
