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प्रश्न
The relative density of alcohol is 0.8. Its density is
पर्याय
0.8
800 kg nr3
800 g cm-3
0.8 kg m-3
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उत्तर
800 kg nr3
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संबंधित प्रश्न
Define the term relative density of a substance.
What is the unit of relative density?
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.
Answer the following:
Will a piece of iron float or sink in mercury?
Why does it happen?
A ship dips to a larger depth in fresh water as compared to marine water.
- 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?
In what direction and at what point does the buoyant force on a body due to a liquid act?
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)
What is the centre of buoyancy? State its position for a floating body with respect to the centre of gravity of the body.
How is thrust different from pressure?
The point at which the force of buoyancy is supposed to act is known as ______.
