Advertisements
Advertisements
प्रश्न
Why is it easier to swim in seawater than in river water?
Advertisements
उत्तर
Due to the presence of dissolved salts in sea water is denser than river water which makes floating easier and hence swimming is easier.
APPEARS IN
संबंधित प्रश्न
What is the difference between the density and relative density of a substance ?
If the relative density of a substance is 7.1, what will be its density in SI units ?
Write down an equation that defines density.
Define density. What is the SI unit of density ?
Define relative density. What is the SI unit of relative density ?
The density of turpentine is 840 kg/m3. What will be its relative density ? (Density of water = 1000 kg/m3)
A body floats in kerosene of density 0.8 x 103 kg/m3 up to a certain mark. If the same body is placed in water of density 1.0 x 103 kg/m3, will it sink more or less ? Give reason for your answer.
A cube of side 5 cm is immersed in water and then in a saturated salt solution. In which case will it experience a greater buoyant force. If each side of the cube is reduced to 4 cm and then immersed in water, what will be the effect on the buoyant force experienced by the cube as compared to the first case for water. Give a reason for each case.
The density Bottle is also called ______.
Describe the construction and working of the Pycnometer.
