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संबंधित प्रश्न
What are the units density in (i) C.G.S. and (ii) S.I. system .
How does the density ρs of a substance determine whether a solid piece of that substance will float or sink in a given liquid ρL?
Explain the following :
An egg sinks in fresh water, but floats in a strong salt solution.
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.
A rubber ball floats on water with its 1/3rd volume outside water. What is the density of rubber?
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.
A solid body weighs 2.10 N. in air. Its relative density is 8.4. How much will the body weigh if placed
(1) in water,
(2) in liquid of relative density 1.2?
Select the correct option:
With the increase in the density of the fluid, the upthrust experienced by a body immersed in it:
