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प्रश्न
Define the term density.
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उत्तर
The density of a substance is its mass per unit volume.
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संबंधित प्रश्न
Complete the following sentence :
An empty tin container with its mouth closed has an average density equal to that of a liquid. The container is taken 2 m below the surface of that liquid and is left there. Then the container will ____________ .
Explain the following :
Toy balloons filled with hydrogen rise to the ceiling, but if they are filled with carbon dioxide, then they sink to the floor.
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(Density of water = 1000 kg m−3)
A sinker is found to weigh 56.7 gf in water. When the sinker is tied to a cork of weight 6 gf, the combination is found to weigh 40.5 gf in water. Calculate R.D. of cork.
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(1) apparent density of a hollow copper cylinder.
(2) wt. of cylinder.
(3) extra force required to completely submerge it in water.
A body of mass 50 g is floting in water. What is the apparent weight of body in water? Explain your answer.
Select the correct option:
The SI unit of density is:
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What can you say about the average density of a ship floating on water?
If 2/3rds of a piece of wood submerges in water and 3/4ths of the same piece of wood submerges in oil. Find the density of the oil.
Complete the following result:
The density of water is ______ Kgm-3.
