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प्रश्न
A body experiences the same buoyant force while floating in water or alcohol.
विकल्प
Ture
False
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उत्तर
True.
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संबंधित प्रश्न
What do you mean by buoyancy?
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?
Deduce an expression for the pressure at depth inside a liquid.
Complete the following sentence :
Pressure of a liquid at a given depth is .................. To the density of the liquid.
The S.I. unit of pressure is :
A small block of wood is completely immersed in (i) water, (ii) glycerine and then released. In each case, What do you observe? Explain the difference in your observation in the two cases.
You are provided with a hollow iron ball A of volume 15 cm3 and mass 12 g and a solid iron ball B of mass 12 g. Both are placed on the surface of water contained in a large tub.
- Find upthrust on each ball.
- Which ball will sink? Give a reason for your answer (Density of iron = 8.0 g cm-3)
The mass of a block made of certain material is 13.5 kg and its volume is 15 × 10-3 m3.
(a) Calculate upthrust on the block if it is held fully immersed in water.
(b) Will the block float or sink in water when released? Give a reason for your answer.
(c) What will be the upthrust on block while floating?
Take density of water = 1000 kg m-3.
Select the correct option.
The unit Nm2 is the unit of
What do you mean by buoyancy?
