Advertisements
Advertisements
प्रश्न
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?
Advertisements
उत्तर
The body will float if its density is less than or equal to the density of the liquid ρs ≤ ρL.
The body will sink if its density is greater than the density of the liquid ρs > ρL.
APPEARS IN
संबंधित प्रश्न
Define the term density.
A piece of iron weighs 44.5 gf in air. If the density of iron is 8.9 × 103, find the weight of iron piece when immersed in water.
Explain the following :
Toy balloons filled with hydrogen rise to the ceiling, but if they are filled with carbon dioxide, then they sink to the floor.
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.
A body of mass 50 g is floting in water. What is the apparent weight of body in water? Explain your answer.
An iron nail sinks in the water while an iron ship floats on water. Explain the reason.
What can you say about the average density of a ship floating on water?
Complete the following result:
The density of water is ______ Kgm-3.
