मराठी

What Can You Say About the Average Density of a Ship Floating on Water in Relation to the Density of Water?

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प्रश्न

What can you say about the average density of a ship floating on water in relation to the density of water? 

एका वाक्यात उत्तर
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उत्तर

Due to the hollow and empty space in the ship, the average density of a ship is less than the density of water.

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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 (C) [पृष्ठ १२४]

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सेलिना Concise Physics [English] Class 9 ICSE
पाठ 5 Upthrust in Fluids, Archimedes’ Principle and Floatation
Exercise 5 (C) | Q 19 | पृष्ठ १२४

संबंधित प्रश्‍न

A piece of brass weighs 175 gf in air and 150 gf when fully submerged in water. The density of water is 1.0 g cm-3.

(i) What is the volume of the brass piece? (ii) Why does the brass piece weigh less in water? 


'The density of iron is 7800 kg m-3'. What do you understand by this statement?


Water is heated from 0°C to 10°C . How does the density of water change with temperature?


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.


A jeweller claims that he makes ornaments of pure gold that has a relative density of 19.3. He sells a bangle weighing 25.25 gf to a person. The clever customer weighs the bangle when immersed in water and finds that it weighs 23.075 gf in water. With the help of suitable calculations, find out whether the ornament is made of pure gold or not.

[Hint : calculate R.D. of material of bangle which comes out to be 11.6].


A man first swims in sea water and then in river water. (i) Compare the weights of sea water and river water displaced by him.

(ii) Where does he find it easier to swim and why? 


A piece of wax floats on brine. What fraction of its volume is immersed?

Density of wax = 0.95 g cm-3, Density of brine = 1.1 g cm-3. 


If the density of ice is 0.9 g cm-3, then what portion of an iceberg will remain below the surface of water in sea? (Density of sea water = 1.1 g cm-3) 


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


Select the correct option:

A body has density 9.6 gcm -3. Its density in SI system is:


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