Advertisements
Advertisements
प्रश्न
The density of alcohol is 600 kg m-3. Express it in g Cm-3.
Advertisements
उत्तर १
Density of alcohol is = 600 kg/m-3
In g/`cm^3` = `600/1000` = 0.60 g/`cm^3`
उत्तर २
- 1 kg = 1000 g
- 1 m3 = 1,000,000 cm3
Thus, 1 kg/m3 = `(1000 g)/(1000000 cm^3`
= 0.001 g/cm3
Convert 600 kg/m3:
600 kg/m3 = 600 × 0.001 g/cm3 = 0.6g/cm3
The density of alcohol is 0.6 g/cm3.
APPEARS IN
संबंधित प्रश्न
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 |
The correct relation is
A block of wood of density 0.8 g cm-3 has a volume of 60 cm3. The mass of block is
Icebergs floating on sea water are dangerous for ships. Explain the reason.
The density of aluminium is 2.7 g cm3. Express it in kg m−3.
Calculate the density of solid from the following data :
(a) Mass of solid = 72 g
(b) Initial volume of water in measuring cylinder = 24 ml
(c) Final volume of water when solid is completely immersed in water = 42 ml
From the following observations, calculate the density and relative density of a brine solution.
Mass of empty density bottle = 22 g
Mass of bottle + water = 50 g
Mass of bottle + brine solution = 54 g
Write the density of water at 4°C.
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.
