Advertisements
Advertisements
Question
A body of density ρ is immersed in a liquid of density ρL. State the condition when the body will (i) float and (ii) sink in the liquid.
Advertisements
Solution
(i) The body will float if ρ < or = ρL .
(ii) The body will sink if ρ > ρL .
APPEARS IN
RELATED QUESTIONS
Define the term density.
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 water is :
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 block floats in water with two-third of its volume submerged.
(a) Calculate the density of wood.
(b) When the same block is placed in oil, three-quarters of its volume is immersed in oil. Calculate the density of oil.
When a piece of ice floating in water melts, the level of water inside the glass remains same. Explain.
An inflated balloon is placed inside a big glass jar which is connected to an evacuating pump. What will you observe when the evacuating pump starts working? Give a reason for your answer.
Select the correct option:
When a body is floating in a liquid:
Complete the following result:
S.l. unit of density is _________
Complete the following result:
Density in kg m-3 = ______ x density in g cm-3
