Advertisements
Advertisements
प्रश्न
A piece of steel has a volume of 12 cm3, and a mass of 96 g. What is its density in kg/m3 ?
Advertisements
उत्तर
We know that 1 g/cm3 = 1,000 kg/m3
So, 8 g/cm3 = 8 × 1,000 kg/m3
= 8,000 kg/m3
Ans: Density of steel piece = 8,000 kg/m3.
APPEARS IN
संबंधित प्रश्न
What is the density of a substance of mass 100 g and volume 10 cm3 ?
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 relative density. What is the SI unit of relative density ?
The relative densities of four liquids P, Q, R and S are 1.26, 1.0, 0.84 and 13.6 respectively. An object is floated in all these liquids, one by one. In which liquid the object will float with its maximum volume submerged under the liquid?
A solid of density 900 kg/m3 floats in oil as shown in the given diagram. The oil floats on water of density 1000 kg/m3 as shown. The density of oil kg/m3 could be :
The density of water is 1000 kg/m3 and the density of copper is 8900 kg/m3. Which of the following statements is incorrect?
Why is it easier to swim in seawater than in river water?
A cube of side 5 cm is immersed in water and then in a saturated salt solution. In which case will it experience a greater buoyant force. If each side of the cube is reduced to 4 cm and then immersed in water, what will be the effect on the buoyant force experienced by the cube as compared to the first case for water. Give a reason for each case.
A ball weighing 4 kg of density 4000 kg m–3 is completely immersed in water of density 103 kg m–3 Find the force of buoyancy on it. (Given g = 10 m s–2)
To find out the relative density of the substance, with respect to the density of water ______C is taken.
