हिंदी

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

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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

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

A body held completely immersed inside a liquid experiences two forces:

(i) F1, the force due to gravity and

(ii) F2, the buoyant force.

Draw a diagram showing the direction of these forces acting on the body and state the condition when the body will float or sink. 


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 ____________ .


Complete the following sentence.

Density of water is .... ... kg m-3.


A body weighs W gf in air and W1 gf when it is completely immersed in water. Find: (i) Volume of the body, (ii) Upthrust on the body and (iii) Relative density of the material of the body. 


A piece of iron weighs 44.5 gf in air. If the density of iron is 8.9 × 103, find the weight of iron piece when immersed in water.


Explain the following : 

As a ship in harbour is being unloaded, it slowly rises higher in water.


A wooden block floats in water with two-third of its volume submerged.
(a) Calculate the density of wood. 
(b) When the same block is placed in oil, three-quarters of its volume is immersed in oil. Calculate the density of oil.
 


A trawler is fully loaded in sea water to maximum capacity. What will happen to this trawler, if moved to river water? Explain your answer.


When a piece of wood is suspended from the hook of a spring balance, it reads 90 gf. The wood is now lowered into the water. What reading do you expect on the scale of the spring balance?

Complete the following result:

Mass = _______ × density


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