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प्रश्न
Relative density of a substance is expressed by comparing the density of that substance with the density of :
विकल्प
Air
Mercury
Water
Iron
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उत्तर
Relative density of a substance is expressed by comparing the density of that substance with the density of : Water
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संबंधित प्रश्न
A sphere of iron and another sphere of wood of the same radius are held under water. Compare the upthrust on the two spheres.
[Hint: Both have equal volume inside the water].
Complete the following sentence.
Density in kg m-3 = ............ × density in g cm-3
What do you understand by the term relative density of a substance?
A body weighs 20 gf in air and 18.0 gf in water. Calculate the relative density of the material of the body.
A piece of stone of mass 113 g sinks to the bottom in water contained in a measuring cylinder and water level in cylinder rises from 30 ml to 40 ml. Calculate R.D. of stone.
A solid weighs 0.08 kgf in air and 0.065 kgf in water. Find
(1) R.D. of solid
(2) Density of solid in SI system. [Density of water = 1000 kgm3]
A piece of wax floats in brine. What fraction of its volume will be immersed?
R.D. of wax = 0.95, R.D. of brine = 1.1.
A piece of metal weighs 44.5 gf in air, 39.5 gf in water. What is the R.D. of the metal?
