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density

Relative Density

Last Updated on September 18, 2022 By Mrs Shilpi Nagpal

relative density class 9

Relative Density The density of a substance is defined as mass per unit volume.                     The relative density of a substance expresses the heaviness or density of the substance in comparison to water. For Example : Relative density of iron is 7.8 means iron is 7.8 times … [Read more...] about Relative Density

Pressure in Liquid

Last Updated on September 18, 2022 By Mrs Shilpi Nagpal

Question 1 what is meant by the term buoyancy? Question 2 Why does a block of wood held under water rise to the surface when released? Question 3 Define buoyant force? Question 4 Name the factors on which buoyant force depends? Question 5 In which direction does the  buoyant force on an object due to a liquid act? Question 6 Name the factors which makes heavy … [Read more...] about Pressure in Liquid

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