मराठी

Write the SI units of Density

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प्रश्न

Write the SI units of Density

एका वाक्यात उत्तर
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उत्तर

 SI unit of density is Kgm-3.

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Relation Between Volume of Submerged Part of a Floating Body, the Densities of Liquid and the Body
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 4: Fluids - Exercise 2 [पृष्ठ १७४]

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फ्रँक Physics [English] Class 9 ICSE
पाठ 4 Fluids
Exercise 2 | Q 20.2 | पृष्ठ १७४

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. 


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


Explain why an iron nail floats on mercury, but it sinks in water.

Hint : Density of iron is less than that of mercury, but more than that of water. 


A loaded cargo ship sails from sea water to river water. State and Explain your observations. 


Explain the following : 

A balloon filled with hydrogen rises to a certain height and then stops rising further.


A piece of wood of uniform cross section and height 15 cm floats vertically with its height 10 cm in water and 12 cm in spirit. Find the densities of wood and spirit. 


A solid lighter than water is found to weigh 7.5 gf in air. When tied to a sinker the combination is found to weigh .If the sinker alone weighs 72.5 gf in water, find R.D. of solid.


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.


An iron ball of mass 600 g is dropped in mercury contained in a beaker. Will the ball float or sink? What will be its apparent weight?

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?


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