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प्रश्न
For a given object, the buoyant force in liquids of different ______ is ______.
विकल्प
the same
density
different
area
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उत्तर
For a given object, the buoyant force in liquids of different density is the same.
संबंधित प्रश्न
In what direction does the buoyant force on an object immersed in a liquid act?
The density of water is 1.0 g Cm-3. The density of iron is 7.8 × 10″3 g Cm-3. The density of mercury is 13.6 g Cm-3.
Ans the following:
Will a piece of iron float or sink in water?
A plastic cube is released into the water. Will it sink or come to the surface of the water?
What physical quantity is measured in bar?
- Calculate the height of a water column which will exert on its base the same pressure as the 70 cm column of mercury. Density of mercury is 13.6 g cm-3.
- Will the height of the water column in part (a) change if the cross-section of the water column is made wider?
Define upthrust and state its S.I. unit.
Two spheres A and B, each of volume 100 cm3 is placed on water (density = 1.0 g cm−3). The sphere A is made of wood of density 0.3 g cm−3 and sphere B is made of iron of density 8.9 g cm−3.
- Find:
- The weight of each sphere, and
- The upthrust on each sphere.
- Which sphere will float? Give reason.
Pressure in a water pipe on the ground floor of a building is 100,000 Pa. Calculate the pressure in the water pipe on the first floor at a height of 3 m. [Density of water = 1000 kgm−3 ; g = 10 ms−2]
Select the correct option:
The phenomenon due to which a solid experiences upward force when immersed in water is called:
The upward force that is caused due to the pressure difference in liquid (or fluid) is called ______.
