Advertisements
Advertisements
Question
What do you understand by the term relative density of a substance?
Solution
The relative density of a substance is the ratio of density of that substance to the density of water at 4°C .
APPEARS IN
RELATED QUESTIONS
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].
Differentiate between density and relative density of a substance.
The density of iron is 7.8 x 103 kg m-3. What is its relative density?
Calculate the mass of a body whose volume is 2 m3 and relative density is 0.52.
A solid weighs 1.5 kgf in air and 0.9 kgf in a liquid of density 1.2 × 103 kg m-3. Calculate R. D. of solid.
A solid of R.D. 4.2 is found to weigh 0.200 kgf in air. Find its apparent weight in water.
An aluminium cube of side 5 cm and RD. 2.7 is suspended by a thread in alcohol of relative density 0.80. Find the tension in thread.
Calculate the mass of a body whose volume is 2m3 and relative density is 0.52.
A piece of metal weighs 44.5 gf in air, 39.5 gf in water. What is the R.D. of the metal?