Advertisements
Advertisements
प्रश्न
Define relative density. What is the SI unit of relative density ?
Advertisements
उत्तर
Relative density of a substance is the ratio of density of the substance to the density of water. Relative density has no unit.
APPEARS IN
संबंधित प्रश्न
What is the density of a substance of mass 100 g and volume 10 cm3 ?
If the relative density of a substance is 7.1, what will be its density in SI units ?
Calculate the density of an object of volume 3 m3 and mass 9 kg. State whether this object will float or sink in water. Give reason for your answer.
Define density. What is the SI unit of density ?
When a golf ball is lowered into a measuring cylinder containing water, the water level rises by 30 cm3 when the ball is completely submerged. If the mass of ball in air is 33 g, find its density.
An object is put in three liquids having different densities, one by one. The object floats with `1/9` , `2/11` and `3/7` parts of its volume outside the surface of liquids of densities d1, d2 and d3 respectively. Which of the following is the correct order of the densities of the three liquids?
A metal in which even iron can float is :
The diagrams represent four measuring cylinders containing liquids. The mass and volume of the liquid in each cylinder are stated. Which two measuring cylinder could contain an identical liquid?
Numerical Problem.
Density of mercury is 13600 kg m–3. Calculate the relative density.
Calculate the average density of the earth in terms of g, G and R
