हिंदी

A Body of Density ρ Sinks in a Liquid of Density ρL. The Densities ρ And ρL Are Related as :

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प्रश्न

A body of density ρ sinks in a liquid of density ρL.  The densities ρ and ρL are related as :

विकल्प

  • ρ = ρL

  • ρ < ρL

  • ρ > ρL

  • Nothing can be said.

MCQ
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उत्तर

A body of density ρ sinks in a liquid of density ρL.  The densities ρ and ρL are related as : ρ > ρL

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Relation Between Volume of Submerged Part of a Floating Body, the Densities of Liquid and the Body
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 5: Upthrust in Fluids, Archimedes’ Principle and Floatation - Exercise 5 (A) [पृष्ठ ११०]

APPEARS IN

सेलिना Concise Physics [English] Class 9 ICSE
अध्याय 5 Upthrust in Fluids, Archimedes’ Principle and Floatation
Exercise 5 (A) | Q 3 | पृष्ठ ११०

संबंधित प्रश्न

Complete the following sentence :

An empty tin container with its mouth closed has an average density equal to that of a liquid. The container is taken 2 m below the surface of that liquid and is left there. Then the container will ____________ .


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? 


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?


Explain the following : 

Toy balloons filled with hydrogen rise to the ceiling, but if they are filled with carbon dioxide, then they sink to the floor.


If the density of ice is 0.9 g cm-3, then what portion of an iceberg will remain below the surface of water in sea? (Density of sea water = 1.1 g cm-3) 


A hollow cylinder of copper of length 25 cm and area of cross-section 15 cm2, floats in water with 3/5 of its length inside water. Calculate:
(1) apparent density of a hollow copper cylinder.
(2) wt. of cylinder.
(3) extra force required to completely submerge it in water.


A body of mass 50 g is floting in water. What is the apparent weight of body in water? Explain your answer.


Select the correct option:

With the increase in the density of the fluid, the upthrust experienced by a body immersed in it:


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