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प्रश्न
Select the correct option:
When a body is floating in a liquid:
पर्याय
The weight of the body is less than the upthrust due to immersed part of the body
The weight of body is more than the upthrust due to the immersed part of the body
The weight of body is equal to the upthrust due to the immersed part of the body
none of the above
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उत्तर
The weight of body is equal to the upthrust due to the immersed part of the body
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संबंधित प्रश्न
A body dipped into a liquid experiences an upthrust. State two factors on which upthrust on the body depends.
A body of volume 100 cm3 weighs 5 kgf in air. It is completely immersed in a liquid of density 1.8 × 103 kg m-3. Find:
- The upthrust due to liquid and
- The weight of the body in liquid.
A piece of brass weighs 175 gf in air and 150 gf when fully submerged in water. The density of water is 1.0 g cm-3.
(i) What is the volume of the brass piece? (ii) Why does the brass piece weigh less in water?
'The density of iron is 7800 kg m-3'. What do you understand by this statement?
Water is heated from 0°C to 10°C . How does the density of water change with temperature?
A jeweller claims that he makes ornaments of pure gold that has a relative density of 19.3. He sells a bangle weighing 25.25 gf to a person. The clever customer weighs the bangle when immersed in water and finds that it weighs 23.075 gf in water. With the help of suitable calculations, find out whether the ornament is made of pure gold or not.
[Hint : calculate R.D. of material of bangle which comes out to be 11.6].
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?
A body floats in a liquid with a part of it submerged inside the liquid. Is the weight of floating body greater than, equal to or less than the upthrust?
What can you say about the average density of a ship floating on water in relation to the density of water?
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?
