Advertisements
Advertisements
प्रश्न
Complete the following result:
Mass = _______ × density
Advertisements
उत्तर
Mass = Volume × density
APPEARS IN
संबंधित प्रश्न
Express the relationship between the C.G.S. and S.I. units of density.
'The density of iron is 7800 kg m-3'. What do you understand by this statement?
A body weighs W gf in air and W1 gf when it is completely immersed in water. Find: (i) Volume of the body, (ii) Upthrust on the body and (iii) Relative density of the material of the body.
The density of copper is 8.83 g cm-3. Express it in kg m-3.
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?
A man first swims in sea water and then in river water. (i) Compare the weights of sea water and river water displaced by him.
(ii) Where does he find it easier to swim and why?
A loaded cargo ship sails from sea water to river water. State and Explain your observations.
A block of wood of mass 24 kg floats on water. The volume of wood is 0.032 m3. Find:
- the volume of block below the surface of water,
- the density of wood.
(Density of water = 1000 kg m−3)
A wooden cube of side 10 cm has a mass of 700 g. It will float in the water with:
(a) Half of its volume inside the water
(b) 3 cm height above the water surface
(c) 7 cm height above the water surface
(d) Just inside the water surface.
