Advertisements
Advertisements
Question
A metal in which even iron can float is :
Options
sodium
magnesium
mercury
manganese
Solution
Mercury.
This is because the density of mercury is greater than the iron.
APPEARS IN
RELATED QUESTIONS
What is the mass of 5 m3 of cement of density 3000 kg/m3 ?
What is the density of a substance of mass 100 g and volume 10 cm3 ?
If the relative density of a substance is 7.1, what will be its density in SI units ?
Define relative density. What is the SI unit of relative density ?
The density of turpentine is 840 kg/m3. What will be its relative density ? (Density of water = 1000 kg/m3)
A body floats in kerosene of density 0.8 x 103 kg/m3 up to a certain mark. If the same body is placed in water of density 1.0 x 103 kg/m3, will it sink more or less ? Give reason for your answer.
When a golf ball is lowered into a measuring cylinder containing water, the water level rises by 30 cm3 when the ball is completely submerged. If the mass of ball in air is 33 g, find its density.
The relative densities of four liquids P, Q, R and S are 1.26, 1.0, 0.84 and 13.6 respectively. An object is floated in all these liquids, one by one. In which liquid the object will float with its maximum volume submerged under the liquid?
The diagrams represent four measuring cylinders containing liquids. The mass and volume of the liquid in each cylinder are stated. Which two measuring cylinder could contain an identical liquid?
Numerical Problem.
Density of mercury is 13600 kg m–3. Calculate the relative density.
