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प्रश्न
Select the correct option:
The SI unit of density is:
पर्याय
gem-3
kgem-3
kgm-3
gm-3
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उत्तर
kgm-3
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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 ____________ .
A bunch of feathers and a stone of the same mass are released simultaneously in air. Which will fall faster and why? How will your observation be different if they are released simultaneously in vacuum?
A piece of brass weighs 175 gf in air and 150 gf when fully submerged in water. The density of water is 1.0 g cm-3.
(i) What is the volume of the brass piece? (ii) Why does the brass piece weigh less in water?
A loaded cargo ship sails from sea water to river water. State and Explain your observations.
Explain the following :
A balloon filled with hydrogen rises to a certain height and then stops rising further.
A piece of wood of uniform cross section and height 15 cm floats vertically with its height 10 cm in water and 12 cm in spirit. Find the densities of wood and spirit.
A hollow cylinder of copper of length 25 cm and area of cross-section 15 cm2, floats in water with 3/5 of its length inside water. Calculate:
(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.
Write the SI units of Weight of a body
