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प्रश्न
Write the SI units of Density
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उत्तर
SI unit of density is Kgm-3.
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संबंधित प्रश्न
A body dipped into a liquid experiences an upthrust. State two factors on which upthrust on the body depends.
The density of water is :
A piece of wax floats on brine. What fraction of its volume is immersed?
Density of wax = 0.95 g cm-3, Density of brine = 1.1 g cm-3.
A wooden block floats in water with two-third of its volume submerged.
(a) Calculate the density of wood.
(b) When the same block is placed in oil, three-quarters of its volume is immersed in oil. Calculate the density of oil.
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 trawler is fully loaded in sea water to maximum capacity. What will happen to this trawler, if moved to river water? Explain your answer.
A body of mass ‘m’ is floating in a liquid of density ‘p’
what is the loss of weight of body?
A body weighs 300 gf in air and 280 gf when completely immersed in water. Calculate:
(i) The loss in weight of the body,
(ii) The upthrust on the body.
Complete the following result:
Density in kg m-3 = ______ x density in g cm-3
