हिंदी

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

Advertisements
Advertisements

प्रश्न

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

योग
Advertisements

उत्तर

Density of iron = `7.8 xx 10^3` kgm-3

Density of iron in C.G.S = 7.8 gcm-3

R.D. = Density of C.G.S. (without unit) = 7.8

shaalaa.com
Determination of Relative Density of a Solid Substance by Archimedes’ Principle
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 4: Fluids - Exercise 2 [पृष्ठ १७५]

APPEARS IN

फ्रैंक Physics [English] Class 9 ICSE
अध्याय 4 Fluids
Exercise 2 | Q 39 | पृष्ठ १७५
सेलिना Concise Physics [English] Class 9 ICSE
अध्याय 5 Upthrust in Fluids, Archimedes’ Principle and Floatation
Exercise 5 (B) | Q 3 | पृष्ठ ११७

संबंधित प्रश्न

A body of volume V and density ρ is kept completely immersed in a liquid of density ρL. If g is the acceleration due to gravity, then write expressions for the following:

(i) The weight of the body, (ii) The upthrust on the body,

(iii) The apparent weight of the body in liquid, (iv) The loss in weight of the body. 


Relative density of a substance is expressed by comparing the density of that substance with the density of : 


The relative density of silver is 10.8. Find its density. 


A body of mass 70 kg, when completely immersed in water, displaces 20,000 cm3 of water. Find: (i) The weight of body in water and (ii) The relative density of material of the body. 


A solid of density 7600 kgm3 is found to weigh 0.950 kgf in air. If 4/5 volume of solid is completely immersed in a solution of density 900 kgm3, find the apparent weight of solid in a liquid.


A glass cylinder of length 12 x 10-2 m and area of cross­section 5 x 10-4 m2 has a density of 2500 kgm-3. It is immersed in a liquid of density 1500 kgm-3, such that 3/8. of its length is above the liquid. Find the apparent weight of glass cylinder in newtons.


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.


Calculate the mass of a body whose volume is 2m3 and relative density is 0.52.


A piece of metal weighs 44.5 gf in air, 39.5 gf in water. What is the R.D. of the metal?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×