मराठी

What Are the Units Density in (I) C.G.S. and (Ii) S.I. System .

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प्रश्न

What are the units density in (i) C.G.S. and (ii) S.I. system .

एका वाक्यात उत्तर
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उत्तर

(i) The C.G.S. unit of density is g/cm3.

(ii) The S.I. unit of density is kg/m3.

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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 5: Upthrust in Fluids, Archimedes’ Principle and Floatation - Exercise 5 (B) [पृष्ठ ११६]

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

संबंधित प्रश्‍न

Express the relationship between the C.G.S. and S.I. units of density. 


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.


Explain the following : 

A ship submerges more as it sails from sea water to river water.


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 cork cut in the form of a cylinder floats in alcohol of density 0.8 gcm-3, such that 3/4 of its length is outside alcohol. If the total length of the cylinder is 35 cm and area of cross-section 25 cm2, calculate:

(1) density of cork
(2) wt. of cork
(3) extra force required to submerge it in alcohol


A body of mass ‘m’ is floating in a liquid of density ‘p’

what is the loss of weight of body?


A solid body weighs 2.10 N. in air. Its relative density is 8.4. How much will the body weigh if placed
(1) in water,
(2) in liquid of relative density 1.2?


A body weighs 300 gf in air and 280 gf when completely immersed in water. Calculate:
(i) The loss in weight of the body,
(ii) The upthrust on the body.


If 2/3rds of a piece of wood submerges in water and 3/4ths of the same piece of wood submerges in oil. Find the density of the oil.


Complete the following result:

Mass = _______ × density


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