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प्रश्न
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उत्तर
Relative density = density of substance/density of water at 4°C.
As the relative density of platinum is 21.50, this means platinum is 21.5 times denser than water at 4°C.
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संबंधित प्रश्न
Complete the following sentence.
Density in kg m-3 = ............ × density in g cm-3
A body weighs W1gf in air and when immersed in a liquid it weighs W2gf, while it weights W3gf on immersing it in water. Find:
- volume of the body
- upthrust due to liquid
- relative density of the solid
- relative density of the liquid
The density of iron is 7.8 x 103 kg m-3. What is its relative density?
A body weighs 20 gf in air and 18.0 gf in water. Calculate the relative density of the material of the body.
A body of volume 100 cm3 weighs 1 kgf in air. Find:
- Its weight in water and
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A solid of area of cross-section 0.004 m2 and length 0.60 m is completely immersed in water of density 1000 kgm3. Calculate:
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- Upthrust acting on the solid in SI system.
- Apparent weight of solid in water.
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A piece of wax floats in brine. What fraction of its volume will be immersed?
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Calculate the mass of a body whose volume is 2m3 and relative density is 0.52.
