Advertisements
Advertisements
प्रश्न
State the laws of liquid pressure.
Advertisements
उत्तर
Laws of liquid pressure:
(i) Pressure at a point inside the liquid increases with the depth from its free surface.
(ii) In a stationary liquid, pressure is same at all points on a horizontal plane.
(iii) Pressure is same in all directions about a point in the liquid.
(iv) Pressure at same depth is different in different liquids. It increases with the increase in the density of liquid.
(v) A liquid seeks its own level.
संबंधित प्रश्न
What is upthrust ?
A body experiences the same buoyant force while floating in water or alcohol.
Name the S.I. unit of density. How is it related to g Cm-3?
Describe an experiment to determine the density of the material of a coin.
The pressure P1 at a certain depth in river water and P2 at the same depth in sea water are related as :
A hammer exerts a force of 1.5 N on each of the two nails A and B. The area of cross section of tip of nail A is 2 mm2 while that of nail B is 6 mm2. Calculate pressure on each nail in pascal.
Two identical pieces, one of ice (density = 900kg per meter cube) and other wood (density = 300kg per meter cube) float on water.
- Which of the two will have more volume submerged inside water
- Which of two will experience more upthrust due to water.
Select the correct option:
When an object sinks in a liquid, its:
How is thrust different from pressure?
Higher Order Thinking Skill.
How does a fish manage to rise up and move down in water?
