Advertisements
Advertisements
प्रश्न
Define density. What is the SI unit of density ?
Advertisements
उत्तर
Density is defined as the mass per unit volume of a substance. The symbol for density is ρ. Mathematically, density is defined as `ρ = m/V`
The SI unit of density is kg/m3.
APPEARS IN
संबंधित प्रश्न
What is the difference between the density and relative density of a substance ?
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.
Write down an equation that defines 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.
A piece of steel has a volume of 12 cm3, and a mass of 96 g. What is its density in kg/m3 ?
A metal in which even iron can float is :
The density of water is 1000 kg/m3 and the density of copper is 8900 kg/m3. Which of the following statements is incorrect?
Numerical Problem.
Density of mercury is 13600 kg m–3. Calculate the relative density.
The density Bottle is also called ______.
Describe the construction and working of the Pycnometer.
