हिंदी

The Unit of Relative Density is :

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प्रश्न

The unit of relative density is : 

विकल्प

  • g cm-3 

  • kg m-3 

  • m3 kg-1

  • no unit

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उत्तर

The unit of relative density is : No unit. 

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Determination of Relative Density of a Solid Substance by Archimedes’ Principle
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 5: Upthrust in Fluids, Archimedes’ Principle and Floatation - Exercise 5 (B) [पृष्ठ ११६]

APPEARS IN

सेलिना Concise Physics [English] Class 9 ICSE
अध्याय 5 Upthrust in Fluids, Archimedes’ Principle and Floatation
Exercise 5 (B) | Q 2 | पृष्ठ ११६

संबंधित प्रश्न

A solid of density 5000 kg m-3 weighs 0.5 kgf in air. It is completely immersed in water of density 1000 kg m-3. Calculate the apparent weight of the solid in water. 


A metal cube of edge 5 cm and density 9 g cm-3 is suspended by a thread so as to be completely immersed in a liquid of density 1.2 g cm-3. Find the tension in thread. (Take g = 10 m s-2) 


A body weighs W1gf in air and when immersed in a liquid it weighs W2gf, while it weights W3gf on immersing it in water. Find:

  1. volume of the body
  2. upthrust due to liquid
  3. relative density of the solid
  4. relative density of the liquid

The density of iron is 7.8 x 103 kg m-3. What is its relative density? 


A solid of area of cross-section 0.004 m2 and length 0.60 m is completely immersed in water of density 1000 kgm3. Calculate:

  1. Wt of solid in SI system
  2. Upthrust acting on the solid in SI system.
  3. Apparent weight of solid in water.
  4. Apparent weight of solid in brine solution of density 1050 kgm3.
    [Take g = 10 N/kg; Density of solid = 7200 kgm3]

A solid weighs 0.08 kgf in air and 0.065 kgf in water. Find
(1) R.D. of solid
(2) Density of solid in SI system. [Density of water = 1000 kgm3]


A solid of R.D. 4.2 is found to weigh 0.200 kgf in air. Find its apparent weight in water.


An aluminium cube of side 5 cm and RD. 2.7 is suspended by a thread in alcohol of relative density 0.80. Find the tension in thread.


The R.D. of ice is 0.92 and that of sea water is 1.025. Find the total volume of an iceberg which floats with its volume 800 cm3 above water.

A body of mass 70 kg, when completely immersed in water, displaces 20,000 cm3 of water. Find the relative density of the material of the body.

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